If a+b=-c, and a^2+2ab+b^2 is expressed in terms of c, which one of the following will be?

If a+b=-c, and a^2+2ab+b^2 is expressed in terms of c, which one of the following will be?

A -c²

B c²

C bc

D ca

Solution

Correct Answer: Option B

দেওয়া আছে, a² + 2ab + b²

=> (a + b)² = (-c)² = c²