Question

Please I really need help with this one

Answer 1

○ C 7 + i ohms

Explanation:

Conjugates are expressions with OPPOSITE operation symbols, so the conjugate of 7 - i is 7 + i.

I am joyous to assist you anytime.

Answer 2

C

Explanation:

Given the complex number a ± bi, then the complex conjugate is

a ∓ bi

Note the real part remains unchanged while the sign of the imaginary part is reversed, thus

The conjugate of 7 - i is 7 + i → C