Question

The square of (2a + 5b) is :​

Answer 1

Step-by-step explanation:

This will be solved by identity (a²+2ab+b²) so

Therefore, 2a²+2×2a×5b+5b²

4a²+20ab+25b²

Answer of square of (2a+5b) is 4a²+20ab+25b²