# Which of the following is a conjugate for 7 + i square root of 2? 7 - i **√** 2 or - 7 + i **√** 2.

We will use the concept of the conjugate of complex numbers in order to find the required answer:

## Answer: 7 - i **√** 2 is the conjugate for 7 + i square root of 2.

Let us see how we will use the concept of the conjugate of complex numbers in order to find the required answer.

**Explanation:**

The complex conjugate of a complex number, z, is its mirror image with respect to the horizontal axis (or x-axis). The complex conjugate of \(z\) is denoted by \(\bar{z} \)

According to the concept of conjugate complex numbers if a + ib is a complex number the a - ib will be its complex conjugate number.