Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
please someone tell me how to integrate
sinh²xcoshx
please please please please please please please please please please please
 one year ago
 one year ago
please someone tell me how to integrate sinh²xcoshx please please please please please please please please please please please
 one year ago
 one year ago

This Question is Closed

malevolence19Best ResponseYou've already chosen the best response.1
\[\int\limits \sinh^2(x)\cosh(x)dx; \psi = \sinh(x) \implies d \psi = \cosh(x) dx \]\[\implies \int\limits \psi^2 d \psi = \frac{\sinh^3(x)}{3}+C\]
 one year ago

amorfideBest ResponseYou've already chosen the best response.0
I do not understand where the dividing by 3 came from
 one year ago

malevolence19Best ResponseYou've already chosen the best response.1
\[\int\limits \psi^2 d \psi = \frac{\psi^3}{3}+C; \psi = \sinh(x) \implies \frac{\sinh^3(x)}{3}+C\]
 one year ago

amorfideBest ResponseYou've already chosen the best response.0
that does not explain why we are dividing by 3
 one year ago

malevolence19Best ResponseYou've already chosen the best response.1
Its the integral of psi^2... \[\int\limits x^n dx = \frac{x^{n+1}}{n+1}; n=2 \implies \int\limits x^2 dx = \frac{x^{2+1}}{2+1}= \frac{x^3}{3}\]
 one year ago

malevolence19Best ResponseYou've already chosen the best response.1
for: \[n \in \mathbb{Z} \ne 1\]
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.