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प्रश्न
Rationalise the denominators of : `(2sqrt3)/sqrt5`
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उत्तर
`(2sqrt3)/sqrt5`
`= (2sqrt3)/sqrt5 xx sqrt5/sqrt5`
`= (2 sqrt(3 xx 5))/(sqrt (5 xx 5))`
`= (2 sqrt(15))/sqrt25`
`= (2 sqrt(15))/5`
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