rationalise the denomineter root 2 upon 5+root 2
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Q. Rationalize the denominator (√2)/(5 + √2).
A. (√2)/(5 + √2) × (5 - √2)/(5 - √2)
= (√2)/[(5)² - (√2)²]
= √2/(25 - 2)
= √2/23
I hope you got it.
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