Find the Product $( \sqrt { 3 } + 6 i ) ( \sqrt { 3 } - 6 i )$

Multiple Choice

Find the product. Write the answer in standard form.
- $( \sqrt { 3 } + 6 i ) ( \sqrt { 3 } - 6 i )$

A) $- 3$
B) 39
C) $3 - 36 \mathrm { i }$
D) $3 + 36 \mathrm { i }$