MHT CET 2023 Mathematics question

MathematicsComplex NumbersMHT CET 2023

If and and , then the value of -7a + b is (where and )

Answer: (B)

Solution

First . The conjugate is , so and . Then

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-094636