factorize x3-2x2-x+2 -Maths 9th

factorize x3-2x2-x+2 -Maths 9th
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p(x)=x3-2x2-4x-1, g(x)=x- -Maths 9th

Description : p(x)=x3-2x2-4x-1, g(x)=x- -Maths 9th

Last Answer : NEED ANSWER

p(x)=x3-2x2-4x-1, g(x)=x- -Maths 9th

Description : p(x)=x3-2x2-4x-1, g(x)=x- -Maths 9th

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Hey guys, does anyone know the factored form of x3-2x2-x+2?

Description : Hey guys, does anyone know the factored form of x3-2x2-x+2?

Last Answer : Welcome to Fluther. Two things: 1. We don't do homework problems or provide answers. If you ask a question of the how do I ? variety, we are much more accommodating. That's just how we roll. (And it ... in a way that'll help you to understand it or get credit for it. But the answer is out there.

If x + 1 is a factor of the polynomial 2x2 + kx, then the value of k is -Maths 9th

Description : If x + 1 is a factor of the polynomial 2x2 + kx, then the value of k is -Maths 9th

Last Answer : (c) Let p(x) = 2x2 + kx Since, (x + 1) is a factor of p(x), then p(-1)=0 2(-1)2 + k(-1) = 0 ⇒ 2-k = 0 ⇒ k= 2 Hence, the value of k is 2.

Without actual division, prove that 2x4 – 5x3 + 2x2 – x+ 2 is divisible by x2-3x+2. -Maths 9th

Description : Without actual division, prove that 2x4 – 5x3 + 2x2 – x+ 2 is divisible by x2-3x+2. -Maths 9th

Last Answer : Let p(x) = 2x4 - 5x3 + 2x2 - x+ 2 firstly, factorise x2-3x+2. Now, x2-3x+2 = x2-2x-x+2 [by splitting middle term] = x(x-2)-1 (x-2)= (x-1)(x-2) Hence, 0 of x2-3x+2 are land 2. We have to prove that, 2x4 ... )2 - 2 + 2 = 2x16-5x8+2x4+ 0 = 32 - 40 + 8 = 40 - 40 =0 Hence, p(x) is divisible by x2-3x+2.

If x + 1 is a factor of the polynomial 2x2 + kx, then the value of k is -Maths 9th

Description : If x + 1 is a factor of the polynomial 2x2 + kx, then the value of k is -Maths 9th

Last Answer : (c) Let p(x) = 2x2 + kx Since, (x + 1) is a factor of p(x), then p(-1)=0 2(-1)2 + k(-1) = 0 ⇒ 2-k = 0 ⇒ k= 2 Hence, the value of k is 2.

Without actual division, prove that 2x4 – 5x3 + 2x2 – x+ 2 is divisible by x2-3x+2. -Maths 9th

Description : Without actual division, prove that 2x4 – 5x3 + 2x2 – x+ 2 is divisible by x2-3x+2. -Maths 9th

Last Answer : Let p(x) = 2x4 - 5x3 + 2x2 - x+ 2 firstly, factorise x2-3x+2. Now, x2-3x+2 = x2-2x-x+2 [by splitting middle term] = x(x-2)-1 (x-2)= (x-1)(x-2) Hence, 0 of x2-3x+2 are land 2. We have to prove that, 2x4 ... )2 - 2 + 2 = 2x16-5x8+2x4+ 0 = 32 - 40 + 8 = 40 - 40 =0 Hence, p(x) is divisible by x2-3x+2.

Factorize this question -Maths 9th

Description : Factorize this question -Maths 9th

Last Answer : (i) 9x2 - y2 = (3x)2 - (y)2 = (3x + y) (3x - y) (ii) (3 - x)2 - 36x2 = (3 - x)2 - (6x)2 = (3 - x + 6x) (3 - x - 6x) = (3 + 5x) (3 - 7x) (iii) (2x - 3y)2 - (3y + 4y)2 = (2x - 3y + ... + 7y) (iv) 16x4 - y4 = (4x2)2 - (y2)2 = (4x2 + y2) (4x2 - y2) = (4x2 + y2) (2x + y) (2x - y)

Factorize this question -Maths 9th

Description : Factorize this question -Maths 9th

Last Answer : (i) 9x2 - y2 = (3x)2 - (y)2 = (3x + y) (3x - y) (ii) (3 - x)2 - 36x2 = (3 - x)2 - (6x)2 = (3 - x + 6x) (3 - x - 6x) = (3 + 5x) (3 - 7x) (iii) (2x - 3y)2 - (3y + 4y)2 = (2x - 3y + ... + 7y) (iv) 16x4 - y4 = (4x2)2 - (y2)2 = (4x2 + y2) (4x2 - y2) = (4x2 + y2) (2x + y) (2x - y)

Factorize a^4+3a^2+4 -Maths 9th

Description : Factorize a^4+3a^2+4 -Maths 9th

Last Answer : NEED ANSWER

Factorize a^4+3a^2+4 -Maths 9th

Description : Factorize a^4+3a^2+4 -Maths 9th

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Factorize a^3-8b^3=64c^3+24abc -Maths 9th

Description : Factorize a^3-8b^3=64c^3+24abc -Maths 9th

Last Answer : This answer was deleted by our moderators...

Factorize 6x^4-6y^4 -Maths 9th

Description : Factorize 6x^4-6y^4 -Maths 9th

Last Answer : =6(x^4 - y^4) =6[(x^2)^2 - (y^2)^2] =6[(x^2 - y^2)(x^2 + y^2) [(a+b)(a-b)=a^2 - b^2] =6[(x+y)(x-y)(x^2 + y^2)]

One of the zeroes of the polynomial 2x2 + 7x – 4 is -Maths 9th

Description : One of the zeroes of the polynomial 2x2 + 7x – 4 is -Maths 9th

Last Answer : (b) Let p (x) = 2x2 + 7x-4 = 2x2 + 8x-x-4 [by splitting middle term] = 2x(x+ 4)-1(x+ 4) = (2x-1)(x+ 4) For zeroes of p(x), put p(x) = 0 ⇒ (2x -1) (x + 4) = 0 ⇒ 2x-1 = 0 and x+4 = 0 ⇒ x = 1/2 and x = -4 Hence, one of the zeroes of the polynomial p(x) is 1/2.

One of the zeroes of the polynomial 2x2 + 7x – 4 is -Maths 9th

Description : One of the zeroes of the polynomial 2x2 + 7x – 4 is -Maths 9th

Last Answer : (b) Let p (x) = 2x2 + 7x-4 = 2x2 + 8x-x-4 [by splitting middle term] = 2x(x+ 4)-1(x+ 4) = (2x-1)(x+ 4) For zeroes of p(x), put p(x) = 0 ⇒ (2x -1) (x + 4) = 0 ⇒ 2x-1 = 0 and x+4 = 0 ⇒ x = 1/2 and x = -4 Hence, one of the zeroes of the polynomial p(x) is 1/2.

p(x)=x3+3x2+3x+1, g(x) = x+2 -Maths 9th

Description : p(x)=x3+3x2+3x+1, g(x) = x+2 -Maths 9th

Last Answer : p(x) = x3+3x2+3x+1, g(x) = x+2 g(x) = 0 ⇒ x+2 = 0 ⇒ x = −2 ∴ Zero of g(x) is -2. Now, p(−2) = (−2)3+3(−2)2+3(−2)+1 = −8+12−6+1 = −1 ≠ 0 ∴By factor theorem, g(x) is not a factor of p(x

Determine which of the following polynomials has (x + 1) a factor: (i) x3+x2+x+1 -Maths 9th

Description : Determine which of the following polynomials has (x + 1) a factor: (i) x3+x2+x+1 -Maths 9th

Last Answer : Solution: Let p(x) = x3+x2+x+1 The zero of x+1 is -1. [x+1 = 0 means x = -1] p(−1) = (−1)3+(−1)2+(−1)+1 = −1+1−1+1 = 0 ∴By factor theorem, x+1 is a factor of x3+x2+x+1

Which of the following is a factor of (x+ y)3 – (x3 + y3) ? -Maths 9th

Description : Which of the following is a factor of (x+ y)3 – (x3 + y3) ? -Maths 9th

Last Answer : This answer was deleted by our moderators...

Show that, x + 3 is a factor of 69 + 11c – x2 + x3 -Maths 9th

Description : Show that, x + 3 is a factor of 69 + 11c – x2 + x3 -Maths 9th

Last Answer : This answer was deleted by our moderators...

For what value of m is x3 -2mx2 +16 divisible by x + 2 ? -Maths 9th

Description : For what value of m is x3 -2mx2 +16 divisible by x + 2 ? -Maths 9th

Last Answer : Let p(x) = x3 -2mx2 +16 Since, p(x) is divisible by (x+2), then remainder = 0 P(-2) = 0 ⇒ (-2)3 -2m(-2)2 + 16=0 ⇒ -8-8m+16=0 ⇒ 8 = 8 m m = 1 Hence, the value of m is 1 .

Find the value of x3 +y3 -12xy + 64,when x+y = -4. -Maths 9th

Description : Find the value of x3 +y3 -12xy + 64,when x+y = -4. -Maths 9th

Last Answer : Find the value of

Which of the following is a factor of (x+ y)3 – (x3 + y3) ? -Maths 9th

Description : Which of the following is a factor of (x+ y)3 – (x3 + y3) ? -Maths 9th

Last Answer : This answer was deleted by our moderators...

Show that, x + 3 is a factor of 69 + 11c – x2 + x3 -Maths 9th

Description : Show that, x + 3 is a factor of 69 + 11c – x2 + x3 -Maths 9th

Last Answer : This answer was deleted by our moderators...

For what value of m is x3 -2mx2 +16 divisible by x + 2 ? -Maths 9th

Description : For what value of m is x3 -2mx2 +16 divisible by x + 2 ? -Maths 9th

Last Answer : Let p(x) = x3 -2mx2 +16 Since, p(x) is divisible by (x+2), then remainder = 0 P(-2) = 0 ⇒ (-2)3 -2m(-2)2 + 16=0 ⇒ -8-8m+16=0 ⇒ 8 = 8 m m = 1 Hence, the value of m is 1 .

Find the value of x3 +y3 -12xy + 64,when x+y = -4. -Maths 9th

Description : Find the value of x3 +y3 -12xy + 64,when x+y = -4. -Maths 9th

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Find the value of x3-8y3-36xy-216 when x = 2y+6. -Maths 9th

Description : Find the value of x3-8y3-36xy-216 when x = 2y+6. -Maths 9th

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If x-2 is a factor of x3-3x+5a then find the value of a -Maths 9th

Description : If x-2 is a factor of x3-3x+5a then find the value of a -Maths 9th

Last Answer : -2/5 is value of a

If x-2 is a factor of x3-3x+5a then find the value of a -Maths 9th

Description : If x-2 is a factor of x3-3x+5a then find the value of a -Maths 9th

Last Answer : This answer was deleted by our moderators...

Find the value of x3+y3+12xy-64 when x=4 -Maths 9th

Description : Find the value of x3+y3+12xy-64 when x=4 -Maths 9th

Last Answer : On the value of x we put the value 4 When it is in power 64+y3+12x4y-64 64+y3+48y-64 64-64+y3+48y 0+y(y2+48) Y(y2+48)

Find the value of x3 + y3 + z3 – 3xyz if x2 + y2 + z2 = 83 and x + y + z = 15 -Maths 9th

Description : Find the value of x3 + y3 + z3 – 3xyz if x2 + y2 + z2 = 83 and x + y + z = 15 -Maths 9th

Last Answer : Consider the equation x + y + z = 15 From algebraic identities, we know that (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca) So, (x + y + z)2 = x2 + y2 + z2 + 2(xy + yz + xz) From the question, x2 + y2 + z2 ... y3 + z3 - 3xyz = 15(83 - 71) => x3 + y3 + z3 - 3xyz = 15 12 Or, x3 + y3 + z3 - 3xyz = 180

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Description : Using factor theorem, factorise the polynomial x3 + x2 - 4x - 4. -Maths 9th

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Description : Factorise: x3 +13x2 + 32x + 20. -Maths 9th

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Description : Check whether the following are quadratic equations: (i) (x+ 1)2=2(x-3) (ii) x - 2x = (- 2) (3-x) (iii) (x - 2) (x + 1) = (x - 1) (x + 3) (iv) (x - 3) (2x + 1) = x (x + 5) (v) (2x - 1) (x - 3) = (x ... vi) x2 + 3x + 1 = (x - 2)2 (vii) (x + 2)3 = 2x(x2 - 1) (viii) x3 -4x2 -x + 1 = (x-2)3 -Maths 10th

Last Answer : this is the correct answer!

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