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March 28, 2017

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Simplify
1-y^2
____________
y^2-4y-5

  • Algebra - ,

    (1 - y^2)/(y^2- 4y - 5)
    = (1-y)(1+y)/((y-5)(y+1))
    = (1-y)/(y-5) , y ≠ -1

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