# NCERT Class 11-Math՚S: Chapter – 5 Complex Numbers and Quadratic Equations Part 8 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 32:

Number of solutions of the equation is

(A) 1

(B) 2

(C) 3

(D) Infinitely many

Therefore,

So can have any real value. Hence infinitely many solutions.

Question 33:

The amplitude of is

(A)

(B)

(C)

(D)

Here and

Therefore,

5.3 EXERCISE

## Short Answer Type

Question 1:

For a positive integer , find the value of

Question 2:

Question 3:

If then find .

Question 4:

If , then find the value of .

Question 5:

If then find .

Question 6:

If , find the value of .