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Number systems — MATHS STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9MATHSNumber systems1 Mark
Question
$\frac{1}{(3+2\sqrt{2})}=\text{?}$
✓

Answer

  1. $(3-2\sqrt{2})$
    Solution:
    $\frac{1}{(3+2\sqrt{2})}$
    $=\frac{3-2\sqrt{2}}{(3+2\sqrt{2})(3-2\sqrt{2})}$
    $=(3-2\sqrt{2})$

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