Question
$\frac{1}{(3+2\sqrt{2})}=\text{?}$
✓
Answer
- $(3-2\sqrt{2})$
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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