If x in R " and "alpha=(x^(2))/(1+x^(4))...

If `x in R " and "alpha=(x^(2))/(1+x^(4))`, then `alpha` lies in the interval

A

`0lealphale2`

B

`0lealphale1`

C

`0lealphale1/4`

D

`0lealphale1/2`

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The correct Answer is:

D

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