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anonymous
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please tell me you tried \(f(x)=\sqrt{49-x^2}\)
byerskm2
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Of course i did
anonymous
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didn't work?
anonymous
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oh damn, there is a 2 out there, isn't there
byerskm2
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yeah and I tried it with the 2 as well
mahmit2012
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f(x)=sq(x(a-x))
anonymous
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i think it is \(f(x)=2\sqrt{49-x^2}\)
byerskm2
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I tried that
anonymous
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integral is
\[\sum_{i=1}^nf(x_i^*)\Delta x\]
anonymous
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then i am lost
anonymous
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oh maybe you were supposed to put in the interval as well
byerskm2
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Maybe if I change the order to match that so that the 2 is the last part...I orignally wrote it 2*sqrt49-x^2
byerskm2
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wow...yeah of course it accepted that and not the 2* one...thanks quys. I hate online hw
anonymous
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jesus
mahmit2012
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dx=a-0/n
and max of a is 7
so dx=7/n
so if deltax is i/n you can find the coefficient.
anonymous
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picky picky picky
byerskm2
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indeed. XP