SOLUTION: 9 / (b^2-1) - 8 / (ab-a) divided by 8 / (ab-a) - 9 / (b^2-1)

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Question 1129043: 9 / (b^2-1) - 8 / (ab-a) divided by 8 / (ab-a) - 9 / (b^2-1)
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


%289%2F%28b%5E2-1%29-8%2F%28ab-a%29%29+%2F+%288%2F%28ab-a%29-9%2F%28b%5E2-1%29%29

The numerator and the denominator are opposites of each other:

%28-1%29%289%2F%28b%5E2-1%29-8%2F%28ab-a%29%29+=+%288%2F%28ab-a%29-9%2F%28b%5E2-1%29%29

Therefore the simplified fraction is just -1.