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Let f(x)=|{:(secx,x^(2),x),(2sinx,x^(3),...

Let f(x)`=|{:(secx,x^(2),x),(2sinx,x^(3),2x^(2)),(tan3x,x^(2),x):}|lim_(x to 0)f(x)/(x^(4))` is equal to

A

0

B

-1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
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