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Rationalisation — Maths STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9MathsRationalisation2 Marks
Question
Write the rationalisation factor of $\sqrt5-2.$
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Answer

Given that $\sqrt5-2,$ we know that rationalization factor of $\sqrt{\text{a}}-\text{b}$ is $\sqrt{\text{a}}+\text{b}$
So the rationalization factor of $\sqrt5-2$ is $\sqrt5+2.$

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