Question

(a+b+2)²
please proper solution
please ​

Answer 1

Answer:

a²+b²+4+2ab+4b+4a

Step-by-step explanation:

(a+b+2)² = a²+b²+2²+2ab+4b+4a

=> a²+b²+4+2ab+4b+4a.

Hope it helps you.

Answer 2

Answer:

As, (a+b+c)² = a²+b²+c²+2ab+2bc+2ac

Hence, (a+b+2)² = a²+b²+(2)²+2(a)(b)+2(2)(b)+2(a)(2)

= a²+b²+4+2ab+4b+4a