Question

3 + root 5 is irrational number​

Answer 1

Answer:

it's true but I'm not sure

Answer 2

Answer:

let assume that 3+√5 is a rational number

3+√5=p/q(where p ans q are co prime & q not equal to 0)

√5=2p/q

but be know that √5 is erational number

this contradict our assume

hence proved that 3+√5is erational number