Evaluate the integral. (Hint: u-sub) sec x tan x dx 5+ sec x O 5 In Isec xl + C O In 15 + sec xl + C O -In 15 + sec xl + C O 5 In 15 + sec xl +C

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A: This is a problem related to integration. Please follow the procedure given below.

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A: Using substitution method

Q: Evaluate the following integral xe -dx J 1+2ex?

A: The given integral is I=∫xex21+2ex2dx Solving the integral using substitution.