Integrals
NCERT Class 12
CBSE
Grade 12
Question:
$\int \sec x dx$ is equal to:
(a) $\log|\sec x + \tan x| + C$
(b) $\log|\sec x - \tan x| + C$
(c) $\log|\sin x + \cos x| + C$
(d) $\sec x \tan x + C$
Step-by-Step Solution
$\int \sec x dx = \log|\sec x + \tan x| + C$. [1.0 Mark]
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🎯 Official CBSE Marking Scheme:
Selecting $\log|\sec x + \tan x| + C$: 1.0 Mark
Correct Answer: $\log|\sec x + \tan x| + C$
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