Re: Taking e to both sides[Solved!]
@Phinah: The opposite process of taking the "log" of something is to take "e to...Murray 2018-04-23, 02:48
Re: integration by trig substitution[Solved!]
@Phinah: The first `1/2` is multiplied by the `16` outside to give `8` outside. The...Murray 2018-04-11, 02:48
General
Re: Explain notation for sum of cos terms[Pending...]
@gtr109 OK, let's start with the left hand side of the equation.
Can you expand out...Murray 2018-04-06, 03:51
Entering math, graphs, images
Re: Curved arrows[Pending...]
Oops - I jut re-read your post and realised this doesn't address your "over some...Murray 2018-03-04, 12:42
Re: curve sketching[Solved!]
@phinah: Yikes! Thank you for pointing out the typo - you are totally correct.
I fixed...Murray 2017-11-03, 10:43
Re: Concavity[Solved!]
@Phinah: Please have another look at the definition of a point of inflection.
It's where the...Murray 2017-11-03, 10:21
Differential Equations
Re: Differential equation - has y^2[Solved!]
@Aage: This is actually a non-linear differential equation, which is beyond the scope of the...Murray 2017-10-20, 11:03
Re: differentiating xihat+yjhat+zkhat.[Pending...]
Hi again. I don't feel your interpretation is correct. A unit vector is a vector...Murray 2018-02-08, 02:33
Applications of Integration
Re: A simple integration[Solved!]
For those wondering, zhanghui's earlier answer was correct, but it didn't show all the steps,...Murray 2017-09-26, 07:24