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माना फलन f:(-1,1)toR इस प्रकार है कि f(c...

माना फलन `f:(-1,1)toR` इस प्रकार है कि `f(cos4theta)=(2)/(2-sec^(2)theta)` जहाँ `thetain(0,(pi)/(4))uu((pi)/(4),(pi)/(2))` है तो `f((1)/(3))` का/के मान है :
(i) `1-sqrt((3)/(2))` (ii) `1+sqrt((3)/(2))` (iii) `1-sqrt((2)/(3))` (iv) `1+sqrt((2)/(3))`

A

`1-sqrt((3)/(2))`

B

`1+sqrt((3)/(2))`

C

`1-sqrt((2)/(3))`

D

`1+sqrt((2)/(3))`

लिखित उत्तर

Verified by Experts

The correct Answer is:
A, B, C, D
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