Rationalise (5-3root14/7+2root 14)
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Answer:
7
Step-by-step explanation:
(5 -3√14) / (7 + 2√14)
= (5 -3√14) x (7 - 2√14) / (7 + 2√14) x (7 - 2√14)
= (35 - 6 x 14) / (7)² - 4 x 14
= 35 - 84 / 49 - 56
= -49 / -7
= 7