The retio (2^(log(2^1/4)) a-3log27(a^2...

The retio `(2^(log_(2^1/4)) a-3log_27(a^2+1)^3-2a)/(7^(4log_49 a-a-1)` simplifies to

A

`a^(2) - a - 1`

B

`a^(2) + a - 1`

C

`a^(2) - a + 1`

D

`a^(2) + a + 1`

Verified by Experts

The correct Answer is:

D

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