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यदि m एवं M, f(x)=cos((pi)/(10)+x)-cos((...

यदि m एवं `M, f(x)=cos((pi)/(10)+x)-cos((pi)/(10)-x)-cos((3pi)/(10)+x)+cos((3pi)/(10)-x)` के न्यूनतम तथा अधिकतम मान है, तो

A

`m^(2) + M^(2) = 2`

B

`M^(2) - 2 m^(3) = 3`

C

`M^(2) - 2 m^(2) = 0`

D

2M - 3m = 5

लिखित उत्तर

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The correct Answer is:
A, B, D
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