Question

The number of $\theta \in(0,4 \pi)$for which the system of linear equations $3(\sin 3 \theta) x-y+z=2$ $3(\cos 2 \theta) x+4 y+3 z=3$ $6 x+7 y+7 z=9$ has no solution is :

• A. 6
• B. 7
• C. 8
• D. 9

Answer 1

Answer: (B)

7

Answer 2

The correct option is(B): 7