Question

rationalised 1/√5+√2​

Answer 1

Answer:

(√5-√2)/3

Step-by-step explanation:

hey dear,

here us your answer...

1/√5+√2

1/(√5+√2)×(√5-√2)/(√5-√2)

(√5-√2)/5-2............ {a²-b²= (a+b) (a-b)}

(√5-√2)/3

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Answer 2

Answer:

$1 \div \sqrt{5} + \sqrt{2} \\ rationalise \: denominator \\ 1 \div \sqrt{5} + \sqrt{2} \times \sqrt{5} - \sqrt{2} \div \sqrt{5} - \sqrt{2} \\ \sqrt{5} - \sqrt{2} \div 5 - 2 \\ = (\sqrt{5} - \sqrt{2}) \div 3$