Find the Product of the Given Complex Number and Its $\sqrt { 5 } + 3 \mathrm { i }$

Multiple Choice

Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
- $\sqrt { 5 } + 3 \mathrm { i }$

A) $5 + 9 i$
B) 2
C) $5 - 9 \mathrm { i }$
D) 14