Question

expand using identities b ( 1 upon 2 a minus 1 upon 2 b + 2) (ki power 2.​

Answer 1

Step-by-step explanation:

The standard algebraic identities are:

a2 – b2 = (a + b)(a – b) (x + a)(x + b) = x2 + (a + b) x + ab. (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca.