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यदि 2x+y=1, x=(1)/(3) पर y=f(x) की एक स्...

यदि `2x+y=1, x=(1)/(3)` पर `y=f(x)` की एक स्पर्श रेखा हैं, तो `Lim_(x to 0)(sinx(sinx-1))/(f((e^(3x))/(3))-f((e^(-3x))/(3)))` का मान हैं

A

`(-1)/(2)`

B

`(1)/(2)`

C

`(1)/(4)`

D

`(-1)/(4)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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