Question

(√3+2)2square find rational number or irrational number

Answer 1

identity used=a^2+b^2+2ab=(a+b)^2

3+4+2(√3*2)

7+4√3

therefore this is an irrational number because product of rational and an irrational no. is always irrational if its a non zero no.

sum of irrational and a rational is always irrational if its a non zero no.