1.

If f(x) = underset(nrarroo)lim(x^(n)-x^(-n))/(x^(n)+x^(-n)),0ltxlt1,ninN then int(sin^(-1)x)f(x) dx is equal to

Answer»

`-[sin^(-1)x+sqrt(1+x^(2))]+C`
`XSIN^(-1)x+sqrt(1-x^(2))+C`
constant
none of these

Answer :A


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