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If 2^(n-1)+2^(n+1)=3, then n is equal to...

If `2^(n-1)+2^(n+1)=3,` then `n` is equal to `0` b. `2` c. `-2` d. `-1`

A

`0`

B

`2`

C

`-1`

D

`-2`

Text Solution

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The correct Answer is:
D
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MTG IIT JEE FOUNDATION-EXPONENTS AND POWERS-EXERCISE (MULTIPLE CHOICE QUESTION) (LEVEL -I)
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