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A boat covers certain distance between t...

A boat covers certain distance between two spots on a river taking `'t_(1)'` time, going down stream and `'t_(2)'` time going upstream, what time will be taken by the boat to cover the same distance in still water:-

A

`(t^(2)+t_(1))/(2)`

B

`2(t_(2)-t_(1))`

C

`(2t_(1)t_(2))/(t_(1)+t_(2))`

D

`sqrt(t_(1)t_(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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