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Sums and Differences of Areas (Integration) (1 Viewer)

jkerr138

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Mar 26, 2014
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HSC
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So I have the question;
Find the exact area enclosed between the curve y= sqrt (4-x^2) and the line x-y+2=0
At the moment, I know I can integrate it using integration by substitution and trig identities, along with inverse sin.

Is there a faster or simpler way to integrate it?

Thanks
 

FrankXie

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Oct 17, 2014
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Parramatta, NSW
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So I have the question;
Find the exact area enclosed between the curve y= sqrt (4-x^2) and the line x-y+2=0
At the moment, I know I can integrate it using integration by substitution and trig identities, along with inverse sin.

Is there a faster or simpler way to integrate it?

Thanks
If you don't have to use integration, here is one way: the enclosed area = area of the quarter circle - area of the triangle.

 

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