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A uniform thin rod AB of length L has li...

A uniform thin rod AB of length L has linear mass density `mu (x) = a +(bx)/(L)`, where x is measured from A. If the CM of the rod lies at a distance of `((7)/(12)L)` from A, then a and b are related as :

A

a = 2b

B

2a = b

C

3a = 2b

D

a = b

Text Solution

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The correct Answer is:
B
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