Question
If $\sqrt{2}=1.41$ then $\frac{1}{\sqrt{2}}=?$
- 0.075
- 0.75
- 0.705
- 7.05
Solution:
$\frac{1}{\sqrt{2}}=\frac{1}{\sqrt{2}}\times\frac{\sqrt{2}}{\sqrt{2}}$
$=\frac{\sqrt{2}}{2}$
$=\frac{1.41}{2}$
$=0.705$
Hence, the correct option is (c).
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