Question

Which of the following expressions is the conjugate of a complex number with 2 as the real part and 3i as the imaginary part?

Answer 1

2+3i

The idea of a conjugate at this point is to exploit the property of "Differenc eof Squares".

\((a+b)(a-b) = a^{2} - b^{2}\)

(2+3i)(What)?

Answer 2

2+3i?

Answer 3

Oh I mean 2-3i

Answer 4

That's it! Good work.

Answer 5

Oh that's it? :D

Answer 6

Thank you so much!