Question 209204: Evaluate the difference quotient for the given function. Symplify the answer.
(1/x - 1/a)/x-a
Answer by RAY100(1637)   (Show Source):
You can put this solution on YOUR website! ( 1/x -1/a) / (x-a),,,,,,,LCD = ax
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(a-x)/(ax) * 1/(x-a),,,,invert and multiply
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(a-x) / (ax) * 1/-1(a-x),,,,,,simplify by canceling like terms
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-1/ax,,,,answer
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check,,,let a=2..x=3,,,,both original and answer = -1/6,,,ok
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