Solved

Simplify
- 10a+1010a10\frac { \frac { 10 } { a } + 10 } { \frac { 10 } { a } - 10 }

Question 7

Multiple Choice

Simplify.
- 10a+1010a10\frac { \frac { 10 } { a } + 10 } { \frac { 10 } { a } - 10 }


A) 10a210 - a ^ { 2 }
B) 1+a1a\frac { 1 + a } { 1 - a }
C) 10(1+a) 1a\frac { 10 ( 1 + a ) } { 1 - a }
D) a210a2\frac { a ^ { 2 } } { 10 - a ^ { 2 } }

Correct Answer:

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