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 2 years ago
Let R be the region bounded by the graphs of y=cos((pi x)/2) and y=x^2(26/5)x+1.
Find the area of R.
http://goo.gl/vSltp
 2 years ago
Let R be the region bounded by the graphs of y=cos((pi x)/2) and y=x^2(26/5)x+1. Find the area of R. http://goo.gl/vSltp

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Bladerunner1122
 2 years ago
Best ResponseYou've already chosen the best response.0I really just need confirmation that what I have is right. (hopefully it is anyway)

Bladerunner1122
 2 years ago
Best ResponseYou've already chosen the best response.0\[\int\limits_{0}^{5}(\cos(\pi x/2)(x^2  (26/5) x +1))dx=55/3 + 2/\pi = 18.97 \]

Bladerunner1122
 2 years ago
Best ResponseYou've already chosen the best response.0Does this make sense? I'm a little unsure.

phi
 2 years ago
Best ResponseYou've already chosen the best response.1It is the correct setup, but I did not check your integration

Bladerunner1122
 2 years ago
Best ResponseYou've already chosen the best response.0As long as it's the correct setup then I'm glad for the reassurance. ;)

phi
 2 years ago
Best ResponseYou've already chosen the best response.1top curve  lower curve gives a height height*dx gives an area integrate along x to get the total area.
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