* Problem:* The number of real roots of is

**(A) **0

**(B) **3

**(C) **5

**(D) **1

**Solution:**** Answer: (D)**

The expression in underline doesn’t have any real roots.

Therefore, only real root of the equation is

* Problem:* The number of real roots of is

**(A) **0

**(B) **3

**(C) **5

**(D) **1

**Solution:**** Answer: (D)**

The expression in underline doesn’t have any real roots.

Therefore, only real root of the equation is