1.

How much is a2 + 2ab + b2 more than a2 – 2ab + b2 ? A) -4ab B) 4ab C) 6abD) -3ab

Answer»

Correct option is (B) 4ab

\(\because\) \((a^2 + 2ab + b^2)\) \(-(a^2 – 2ab +b^2)\) = 4ab

\(\therefore\) \(a^2 + 2ab + b^2\) is 4ab more than \(a^2 – 2ab +b^2.\)

Correct option is B) 4ab



Discussion

No Comment Found