NCERT Class 11 Mathematics Solutions: Chapter 5 – Complex Number and Quadratic Equations Miscellaneous Exercise Part 6 (For CBSE, ICSE, IAS, NET, NRA 2023)

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Quadratic Formula

1. If find

Answer:

So, the value of is .

2. If , prove that

Answer:

On comparing real and imaginary parts, we obtain

So, proved.