A) \[-\frac{3}{\sqrt{130}}\]
B) \[\frac{3}{\sqrt{130}}\]
C) \[\frac{6}{65}\]
D) \[-\frac{6}{65}\]
Correct Answer: A
Solution :
Given that, ...(i) and ...(ii) On squaring and adding Eqs. (i) and (ii), we getYou need to login to perform this action.
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