Question

(a+b)²
how can we solve

Answer 1

(a+b)² =a²+b²+2ab.
hope it's helpful to you.

Answer 2

Expand (a+b) ^2 According to the following identity

${(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab$

Now, put the values and get the result