Simplify the following by rationalisiing the denominator
(3√5-√7)/(3√3+√2)
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(3√5-√7) ÷ (3√3+√2)
=(3√5-√7)(3√3-√2) ÷ (3√3+√2)(3√3-√2)
=9√15-3√10-3√21+√14 ÷ (3√3)² - (√2)²
=9√15-3√10-3√21+√14 ÷ 27-2
=9√15-3√10-3√21+√14 / 25.....
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