SOLUTION: 1/(x+h)^2-1/(x^2)

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Question 682087: 1/(x+h)^2-1/(x^2)
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F%28x%2Bh%29%5E2+-+1%2Fx%5E2
Create a common denominator

denominator
x%5E2%28x%2Bh%29%5E2+=+x%5E2%28x%5E2%2B2hx%2Bh%5E2%29+=+x%5E4%2B2hx%5E3%2Bx%5E2h%5E2
numerator
x%5E2+-+%28x%5E2%2B2hx%2Bh%5E2%29+=+x%5E2+-+x%5E2+-+2hx+-+h%5E2+=+-2xh-h%5E2
...
%28-2xh-h%5E2%29%2F%28x%5E4%2B2hx%5E3%2Bx%5E2h%5E2%29
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