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If rgt0 and t^(t)=6.25r^(t+2), then r=...

If `rgt0 and t^(t)=6.25r^(t+2)`, then r=

A

`(2)/(5)`

B

`(4)/(9)`

C

`(5)/(8)`

D

`(3)/(4)`

Text Solution

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The correct Answer is:
A
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