what should be added to 4x/x²-1 so as to get x+1/x-1
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Answered by
1
Step-by-step explanation:
let K + 4x/x^2-1=x+1/x-1
K= x+1/x-1 - 4x/x^2-1=(x+1)^2-4x / x^2-1
= (x-1)^2/x^2-1
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Answered by
1
Step-by-step explanation:
x-2 should be added
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