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int tan^(4)x dx = A tan^(3) x+ B tan x +...

`int tan^(4)x dx = A tan^(3) x+ B tan x + f(x)`, then

A

K = 2/3

B

L = -2

C

f(x) = x + c

D

K = 4//3

Text Solution

Verified by Experts

The correct Answer is:
C
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