SOLUTION: i have to express this equation as a fraction with a rational denominator. (-10)/(6-sqrt 7)

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Question 627131: i have to express this equation as a fraction with a rational denominator.
(-10)/(6-sqrt 7)
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Multiply the entire fraction by 1 in the form of the conjugate of the denominator divided by itself. The conjugate of a irrational number of the form is

Note that the product of a pair of conjugates is the difference of two squares.

John

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