Question

(a-b)^2-1 solve this ques pls

Answer 1

Answer:

$(a - b) {}^{2} - 1 = a {}^{2} + b {}^{2} - 2ab - 1 \\ which \: is \: the \: req \: answer$

Answer 2

Step-by-step explanation:

(a-b)²-1

a²-2ab+b² -1

Formula Used:(a-b)²= a²+2ab+b²