Solved

Simplify
- $\frac { \frac { 10 } { a } + 10 } { \frac { 10 } { a } - 10 }$

Question 7

Multiple Choice

Simplify.
- $\frac { \frac { 10 } { a } + 10 } { \frac { 10 } { a } - 10 }$

A) $10 - a ^ { 2 }$
B) $\frac { 1 + a } { 1 - a }$
C) $\frac { 10 ( 1 + a ) } { 1 - a }$
D) $\frac { a ^ { 2 } } { 10 - a ^ { 2 } }$

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