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)