1.

For a gt 0, t in (0, (pi)/(2)). Let x= sqrt(a^(sin^(-1)t)) and y= sqrt(a^(cos^(-1)t)), then 1+((dy)/(dx))^(2) equals.

Answer»

`(X^(2))/(y^(2))`
`(y^(2))/(x^(2))`
`(x^(2)+y^(2))/(y^(2))`
`(x^(2)+y^(2))/(x^(2))`

ANSWER :D


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