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int tan 2 x tan 3x tan 5x dx = log | se...

`int tan 2 x tan 3x tan 5x dx = log | sec^(a) 2x. Sec^(b) 3x. Sec^(c) 5x| + k`. Then:\

A

a, b, c are in H.P.

B

a = b = c

C

ab + bc + ca = 0

D

`a^(-3) + b^(-3) + c^(-3) = 3a^(-1) b^(-1) c^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C, D
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