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If the binary operation @ is defined on ...

If the binary operation `@` is defined on the set `QQ^(+)` of all positive rational numbers by `a@b=(ab)/(4)`. Then `3@((1)/(5)@(1)/(2))` is equal to--

A

`(3)/(160)`

B

`(5)/(160)`

C

`(3)/(10)`

D

`(3)/(40)`

Text Solution

Verified by Experts

The correct Answer is:
A
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