Sorry,
the original question requires me to find the general solution of the differential equation
for which I have the answer
It's just the one step of the checking process by differentiation I am struggling with,
Shayne
Hi, I'm working through some integral problems, and I've been able to achieve the correct solution of
I am then being asked to check my solution by differentiating it, I've also been given the solution to doing this, but I can't understand one step of the solution.
Where does the come from during differentiation?
Many thanks,
Shayne.
Sorry,
the original question requires me to find the general solution of the differential equation
for which I have the answer
It's just the one step of the checking process by differentiation I am struggling with,
Shayne
I'm really sorry but both replies are confusing me.
For the chain rule, differentiating what's inside the square root does give me , but that's not how I've been using the chain rule (so far). At the moment all I have learned is
if , where , then
.
I can't see this applies to the square root?
And the trigonometric substitution seems way above my level at the moment too, to be honest I'm not sure of that at all.
Sorry to be a pain in the arse,
Shayne.