Math, asked by saritaupadhyay118, 1 year ago

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

Answers

Answered by dhrupaddeka

2

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

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