Let f(x,y) = {(x,y): y^(2) le 4x,0 le x...

Let `f(x,y) = {(x,y): y^(2) le 4x,0 le x le lambda}` and `s(lambda)` is area such that `(S(lambda))/(S(4)) = (2)/(5)`. Find the value of `lambda`.

A

`4(4/25)^(1/3)`

B

`4(2/5)^(1/3)`

C

`2(2/5)^(1/3)`

D

`2(4/25)^(1/3)`

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The correct Answer is:

A

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