Rationalise the denominator by 6 root 7 minus 1

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asked Dec 7, 2022 52.7k views

18 votes

Rationalise the denominator by 6 root 7 minus 1

Mathematics
high-school

Zac Charles asked

by Zac Charles

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1 Answer

10 votes

Answer:

Assuming the numerator was 1.

(6√(7)+1)/251

Explanation:

Assuming the numerator was 1.

$1/(6√(7) -1)\\ (6√(7)+1)/((6√(7) - 1)(6√(7) + 1))\\ (6√(7)+1)/((6√(7))^2 + 6√(7) - 7√(7) - 1)\\(6√(7)+1)/((6√(7))^2 - 1)\\(6√(7)+1)/((36*7 - 1)\\(6√(7)+1)/251$

Ben Stock answered Dec 12, 2022

by Ben Stock

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