Question

Prove that 3 plus 2 root 5 is Irrational.

Answer 1

3+2r5=p/q,q is not = to 0,p and q are co-prime

2r5=p/q-3
2r5=p-3q/q
r5=p-3q/2q

therefore 3+2r5 is irrational , please mark this as brainliest ans