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The Simplest Rationalising Factor of 2 √ 5 − √ 3 is - Mathematics

MCQ

The simplest rationalising factor of \[2\sqrt{5}-\]\[\sqrt{3}\] is 

Options

  • \[2\sqrt{5} + 3\]

  • \[2\sqrt{5} + \sqrt{3}\]

  • \[\sqrt{5} + \sqrt{3}\]

  • \[\sqrt{5} - \sqrt{3}\]

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Solution

We know that rationalization factor for `asqrtb - sqrtc` is .`asqrtb +sqrtc` Hence rationalization factor of  `2sqrt5-sqrt3`

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APPEARS IN

RD Sharma Mathematics for Class 9
Chapter 3 Rationalisation
Q 9 | Page 17
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