Find the Product $( \sqrt { 5 } + 7 i ) ( \sqrt { 5 } - 7 i )$

Multiple Choice

Find the product. Write the answer in standard form.
- $( \sqrt { 5 } + 7 i ) ( \sqrt { 5 } - 7 i )$

A) 54
B) $5 - 49 \mathrm { i }$
C) $- 2$
D) $5 + 49 i$