anonymoushehe
Active Member
what did they do in the red bit? im trying to understand how they substituted the u sub but its like not making sense
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help pls (1 Viewer)
- Thread starter anonymoushehe
- Start date
what did they do in the red bit? im trying to understand how they substituted the u sub but its like not making sense
cheesynooby
Well-Known Member
since u = sqrt(x - 1)
u squared is x - 1
the 2u part is from 2u du = dx
i don't quite understand which part isn't making sense?
u squared is x - 1
the 2u part is from 2u du = dx
i don't quite understand which part isn't making sense?
anonymoushehe
Active Member
wait omg ignore what i just said