The Student Room Group

Simplifying fractions with surds ???

6. 4
------------ - ------------
3 + sq 7. 3 - sq 7
Original post by bronwyn c
6. 4
------------ - ------------
3 + sq 7. 3 - sq 7


Er, what?

Do you mean 63+7437\displaystyle \frac{6}{3+\sqrt7} - \frac{4}{3-\sqrt7}??

Also, what have you tried?

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