a (a – b) + b (a – b) = ……………….. A) a2 – b B) a2 �

1.	a (a – b) + b (a – b) = ……………….. A) a2 – b B) a2 – b2 C) a – b2 D) a/2 – b
Answer» Correct option is B) a² – b² Correct option is (B) a² - b² a (a – b) + b (a – b) \(=a^2-ab+ab-b^2\) = \(a^2-b^2\)

a (a – b) + b (a – b) = ……………….. A) a2 – b B) a2 – b2 C) a – b2 D) a/2 – b

Answer»

Correct option is B) a² – b²

Correct option is (B) a² - b²

a (a – b) + b (a – b) \(=a^2-ab+ab-b^2\)

= \(a^2-b^2\)