If the distance between the points (α,0,1) and (0, 1,2) is27, then the value of α is

# If the distance between the points ($\mathrm{\alpha }$,0,1) and (0, 1,2) is$\sqrt{27}$, then the value of $\mathrm{\alpha }$ is

1. A

5

2. B

-5

3. C

$±5$

4. D

None of these

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Given, distance between points ($\mathrm{\alpha }$,0,1 ) and (0, 1, 2) is $\sqrt{27}$