indefinite-integration

Question: $\int_{{}}^{{}}{{{(\sec x+\tan x)}^{2}}dx=}$

1) $2(\sec x+\tan x)-x+c$

2) $1/3{{(\sec x+\tan x)}^{3}}+c$

3) $\sec x(\sec x+\tan x)+c$

4) $2(\sec x+\tan x)+c$

Solution:

Explanation: No Explanation

Fundamental integration

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