1.

In the integral int(dx)/(2ax-x^(2))^(1//2)=ansin^(-1)((x)/(a)-1), the value of n should be ( by dimensions ):

Answer»

`1`
`-1`
`0`
`(1)/(2)`

SOLUTION :Here `(X)/(a)` should dimensionless so `.a.` must have the dimensions of `.x.` So value of `n=0` will satisfy the integration EQUATION.
Hence `(c )` is correct.


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