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The angle between the curves y^(2) =x an...

The angle between the curves `y^(2) =x` and `x^(2) = y` at (1,1) is

A

A. `30^(o)`

B

B. `45^(o)`

C

C. `60^(o)`

D

D. `90^(o)`

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The correct Answer is:
D
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