JEE Math Practice Question
The number of $$\theta \in(0,4 \pi)$$ for which the system of linear equations $$ \begin{aligned} &3(\sin 3 \theta) x-y+z=2 \\\\ &3(\cos 2 \theta) x+4 y+3 z=3 \\\\ &6 x+7 y+7 z=9 \end{aligned} $$ has no solution, is :
- A.6
- B.7
- C.8
- D.9
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