Asked by anon
                Evaluate integral e^3x cosh 2x dx.
A.1/2 e^5x + 1/2 e^x + C
B.1/10 e^5x + 1/2e^x + C<<< my answer
C.1/4e^3x + 1/2 x + C
D.1/10 e^5x + 1/5 x + C
            
            
        A.1/2 e^5x + 1/2 e^x + C
B.1/10 e^5x + 1/2e^x + C<<< my answer
C.1/4e^3x + 1/2 x + C
D.1/10 e^5x + 1/5 x + C
Answers
                    Answered by
            bobpursley
            
    Lets look at b.
d/dx (1/10 e^5x+ 1/2 e^x + C)
1/2 e^5x + 1/2 e^x
1/2 (e^3x (e^2x+e^-2x))
e^3x (e^2x+e-2x)/2
e^3x cosh2x
yep, you are correct.
    
d/dx (1/10 e^5x+ 1/2 e^x + C)
1/2 e^5x + 1/2 e^x
1/2 (e^3x (e^2x+e^-2x))
e^3x (e^2x+e-2x)/2
e^3x cosh2x
yep, you are correct.
                                                    There are no AI answers yet. The ability to request AI answers is coming soon!
                                            
                Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.