Question

Prove that 3+(2root 5)2 is irrational

Answer 1

Answer:

Prove that 3 + 2 root 5 whole square is irrational To Prove : (3 + 2√5)² is irrational No. we use the result that √5 is an irrational no. we know that product of rational and irrational no is and irrational no.