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I got - integral sign ln (t^2 + 1) is that correct?

ohhhh okay

Wait, is this finding f'(x)? That t limit... is that meant to be x?
This would just be zero.

What he said ^

yea but its t

okay

okay and that is what my original problem had a t but okay thanks!

implicit?
It's tempting, but I'm more inclined to believe a typo.

Hmm..i'll check on with my teacher on this one..

@terenzreignz shouldn't it be an x^2+1 in your last step?

Yeah i made a few above, with all the damn x's and t's...

lol

thanks guys!

I only did go online for a few giggles... lol
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Terence out

so @agent0smith you think its a typo? and that it should be with an x and not a t?

okay thanks for the explanation

No prob.
But also @terenzreignz i guess it makes sense to switch limits and change the sign too.