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प्रश्न
Write the simplest form of rationalising factor for the given surd.
`sqrt 32`
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उत्तर
Since , `sqrt 32 = sqrt(16 xx 2) = 4 sqrt 2`
∴ `4sqrt2 xx sqrt2 = 4 xx 2 = 8` is a rational number.
So, `sqrt 2` is the simplest form of rationalising factor.
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