A) 0
B) \[\pm 1\]
C) \[\pm \sqrt{10}\]
D) None of these
Correct Answer: C
Solution :
Obviously \[BC=\sqrt{2}\] Hence, \[\pm \frac{0-2.0-k}{\sqrt{{{1}^{2}}+{{(-2)}^{2}}}}=\sqrt{2}\Rightarrow k=\pm \sqrt{10}\].You need to login to perform this action.
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