Question

ratinalose the denominator of 1/ root 5 +2
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Answer 1

Answer:

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Step-by-step explanation:

1/(root5+2)=( 1/root5+2) x root5+2/root5+2 (a+b)x (a-b)=a^2-b^2=root5 -2/(root5) ^2 -(2)^2=root5-2/5-2=root 5-2

Answer 2

Answer:

CRM

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