Question

write the 8 indities mAths​

Answer 1

I. (a + b)2 = a2 + b2 + 2ab

II. (a – b)2 = a2 + b2 – 2ab

III. (a + b)(a – b) =a2 – b2

IV. (x + a)(x + b) = x2 + (a+b)x + ab