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प्रश्न
Write the lowest rationalising factor of : √13 + 3
योग
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उत्तर
( √13 + 3 )( √13 - 3 ) = ( √13 )2 - 32 = 13 - 9 = 4
Its lowest rationalizing factor is √13 - 3.
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Rationalisation of Surds
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