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प्रश्न
Write the simplest form of rationalising factor for the given surd.
`sqrt 50`
उत्तर
Since , `sqrt 50 = sqrt (25 xx 2) = 5 sqrt 2`
∴ `5sqrt2 xx sqrt2 = 5 xx 2 = 10` is a rational number.
So,`sqrt 2` is the simplest form of rationalising factor.
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