Question

Multiply i+√3 by its complex conjugate.

Answer 1

a+bi
the conjugate would be a-bi

so it would be \[(\sqrt{3}+i) \times (\sqrt{3}-i)\]

Answer 2

\[\sqrt{3}^2 -i\sqrt{3}+i\sqrt{3}-i^2 \\ 3 -(-1)\\3+1\\4\]