Question

. If P is a prime number then square root of P

(a) is always a rational number.

(b) is always an irrational number.

(c) may be rational or irrational

(d) None of these​

Answer 1

Answer: The answer is (b) is always an irrational number .

There is a theorem that if p is a prime , then √p is irrational .

In fact it is also irrational for cube root , fourth root , fifth root and so on .

Answer 2

SOLUTION :

If P is a prime number then square root of P

(a) is always a rational number.

➞(b) is always an irrational number.

(c) may be rational or irrational

(d) None of these