Question

Which of the following is an algebraic identity?
(a) (a - b) = a² + 2ab-b2
(b) (a - b) = a?- 2ab-b2
(c) (a - b)2= a-b
(d) (a - b) = a? - 2ab + b2​

Answer 1

Answer:

the algebraic identity is (a-b)^2=a^2-2ab+b^2

Answer 2

Answer:

(a-b)²=a²-b²-2ab.....