Question

Prove that 3 + 2√5 is irrational.​

Answer 1

Answer:

Rational numbers are expressed in the form of

p / q

or

a / b.

3 and 2√5 are unlike terms and hence can't be added .

3 + 2√5 cannot be expressed in the form of

p / q

or

a / b.

Hence, 3 + 2√5 is irrational.