Math, asked by rajappaharsha, 1 year ago

Rationalise the denominator 7-3√2 by 7+3√2​

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Answered by jindalrajesh22
1

Answer:According to the question we have to rationalize the denominator 7+3root2

Step-by-step explanation:

Look at the image

Hope it helps!!

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Answered by Pragya3918red
1

Step-by-step explanation:

(7 - 3√2)/(7 + 3√2)

= {(7 - 3√2) × (7 - 3√2)}/{(7 + 3√2) × (7 - 3√2)}

= (7 - 3√2)² / {(7)² - (3√2)²}

= (49 + 18 - 42√2) / (49 - 18)

= 7.60 / 31

= 0.245

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