Question

Which of the following is the conjugate of 10 – 3i?

Answers: 3-10i
10-3i
10+3i
3+10i

Answer 1

10 + 3i ...........................

Answer 2

we know that

The conjugate of a complex number is the number with equal real part and imaginary part equal in magnitude but opposite in sign

so

In this problem we have

`10-3i`

the conjugate is equal to-------->
`10+3i`

therefore

the answer is the option

10+3i