$\int {{e^{\sec x}}}$ $(\sec x\tan xf(x) + \sec x\tan x + se{x^2}x)dx$ = esecxf(x) + C then a possible choice of f(x) is :-

Question

$\int {{e^{\sec x}}}$ $(\sec x\tan xf(x) + \sec x\tan x + se{x^2}x)dx$
= e^secxf(x) + C then a possible choice of f(x) is :-

x sec x + tan x + 1/2

sec x + xtan x - 1/2

sec x - tan x - 1/2

sec x + tan x + 1/2

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