SOLUTION: Please rationalize the denominator and simplify. (b)/((sqrt(b^2-16))-b) Thanks.

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Question 768314: Please rationalize the denominator and simplify.
(b)/((sqrt(b^2-16))-b)
Thanks.

Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!

You showed an extra pair of parentheses unneeded.
The simple trick is multiply numerator and denominator by sqrt(b^2-16)+b. You will produce difference of squares in the denominator.


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