1.

The value of \[\int{{{\sec }^{3}}x\,\,dx}\] will be[UPSEAT 1999]

A. \[\frac{1}{2}\left[ \,\sec x\tan x+\log (\sec x+\tan x) \right]\]
B. \[\frac{1}{3}\left[ \,\sec x\tan x+\log (\sec x+\tan x) \right]\]
C. \[\frac{1}{4}\left[ \,\sec x\tan x+\log (\sec x+\tan x) \right]\]
D. \[\frac{1}{8}\left[ \,\sec x\tan x+\log (\sec x+\tan x) \right]\]
Answer» B. \[\frac{1}{3}\left[ \,\sec x\tan x+\log (\sec x+\tan x) \right]\]


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