Evaluate: ∫ eˣ (tan x + sec² x) dx
Evaluate: ∫ eˣ (tan x + sec² x) dx
- A. eˣ tan x + C
- B. eˣ sec² x + C
- C. eˣ sec x + C
- D. eˣ log|sec x| + C
Answer: A) eˣ tan x + C
Explanation: Form is ∫ eˣ [f(x) + f'(x)] dx with f(x) = tan x and f'(x) = sec² x. Result is eˣ tan x + C.
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