Math, asked by PoorvikMJ, 1 year ago

rationalise the denominator 1/5+√2

Answers

Answered by mysticd
16

Answer :

(5-√2)/23

Explanation :

1/(5+√2)

= (5-√2)/[(5+√2)(5-√2)]

= (5-√2)/[5²-(√2)²]

= (5-√2)/(25-2)

=(5-√2)/23

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