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If y=3^(x-1)+3^(-x-1) , then the least v...

If `y=3^(x-1)+3^(-x-1)` , then the least value of `y` is `2` `6` `2//3` `3//2`

A

2

B

6

C

`2//3`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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