Question

Expand (5 +2√6 +5 -2√6)² using identity.

Answer 1

Answer:

Step-by-step explanation:

(5+2√6+5-2√6)²

= ( 5+5)²

We can simply write this as 10²=100.

But since you asked for identity,

We can solve this using (a+b)²

=a²+2ab+b²

Hence, (5+5)²= 5²+2*5*5+5²= 25+25+50= 100.

Answer 2

Answer:

here's ur answer

100