# NCERT Class 11 Mathematics Solutions: Chapter 5 –Complex Number and Quadratic Equations Miscellaneous Exercise Part 10

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1. Find the number of non-zero integral solutions of the equation

Answer:

So, is the only integral solution of the given equation.

So, the number of nonzero integral solutions of the given equation is .

2. If , then show that: .

Answer:

On squaring both sides, we obtain

.

So, proved.

3. If then find the least positive integral value of .

Answer:

where is some integer.

So, the least positive integer is .

The least positive integral value of m is .