Question

Find the Square of:
$3 + 2 \sqrt{5}$

Answer 1

(3+2√5)^2=9+20+12√5=29+12√5
is your answer

Answer 2

(3+2√5)^2
=(3)^2+2(3)(2√5)+(2√5)^2[applying identity of (a+b)^2=a^2+2ab+b^2

=9+12√5+20
=29+12√5

If you find it helpful please mark it as brainliest....