Question

Simpilfy



please answer this question...it's urgent.​

Answer 1

Answer: 16-2 underroot 55

Step-by-step explanation:

Use (a+b)^2 = a^2+b^2 -2ab

Answer 2

(a-b)^2=a^2+b^2-2ab

a=√11

b=√5

therefore

(√11-√5)²=11+5-2√55

=16-2√55