A) 6
B) 7
C) 9
D) 12
Correct Answer: B
Solution :
\[\therefore \]\[AB=\sqrt{{{({{x}_{1}}-{{x}_{2}})}^{2}}+{{({{y}_{1}}+{{y}_{2}})}^{2}}+{{({{z}_{1}}-{{z}_{2}})}^{2}}}\] \[=\sqrt{4+9+36}=\sqrt{49}=7\]You need to login to perform this action.
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