Question

(a-b)² = _ (A) a²+2ab+b² (b) a²-2ab+b² (c) a²+2ab-b² (d) a²-2ab-b²​

Answer 1

Step-by-step explanation:

(a–b)^2 = a^2 – 2ab + b^2

Hence, option(b) is right.