Q.

The dimensional formula of axb in the relation P=b−x2at  is, where P is power, x is  distance and t is time

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a

M−1 L2T2

b

M L2T2

c

ML2T−2

d

M−1LT2

answer is A.

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Detailed Solution

if x is distance b=L2p=power= L2atML2T−3=L2aTa=M−1T2                         a×b=M−1T2 L2
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