Question

what is reciprocal of 5+root 2​

Answer 1

Step-by-step explanation:

1/(5+√ 2) =

(5-√ 2) / [ (5+√ 2)((5-√ 2) ] =

(5-√ 2) / [ 5^2 - (√ 2)^2 ] =

(5-√ 2) / [ 5^2 - 2]

(5-√ 2) / 23

Answer 2

Answer:

1/5+√2

Step-by-step explanation:

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