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Nov20-11, 07:38 PM
P: 111
1. The problem statement, all variables and given/known data
f(x,y) = [itex]\sqrt{1+9xy}[/itex], y = [itex]x^{3}[/itex] for 0≤x≤1

2. Relevant equations

3. The attempt at a solution
I don't even know how to start this problem. I thought about c(t) since that's all I have been doing, but there isn't even c(t). I only recognize domain. Can anyone help me please?
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