1.

Rationalise (5-3root14/7+2root 14)

Answer»

7Step-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



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