1.

If x=(a sin theta+b cos theta )/(a+b), then

Answer»

the dimensions of `x` and `a` are same
the dimensions of `a` and `B` are not same
`x` is dimensions
None of the above

Solution :(C) `x=(a sin theta + b cos theta)/(a+b)`
`:.[x]=[(a sin theta)/(a+b)]=[(b cos theta)/(a+b)]` or `[x]=` DIMENSIONLESS


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