If a^2 + b^2 + c^2 = 1, x^2 + y^2 + z^2 = 1, where a, b, c, x, y, z are positive reals then ax + by + cz is -Maths 9th

If a^2 + b^2 + c^2 = 1, x^2 + y^2 + z^2 = 1, where a, b, c, x, y, z are positive reals then ax + by + cz is -Maths 9th
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If (x – 2) is a common factor of the expressions x^2 + ax + b and x^2 + cx + d, -Maths 9th

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ABCD is a parallelogram and line segments AX, CY bisect the angles A and C, respectively. -Maths 9th

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ABCD is a parallelogram and line segments AX, CY bisect the angles A and C, respectively. -Maths 9th

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