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JEE Advanced Model Paper 16 with solutions for online practice

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Question : 68 of 69
 
Marks: +1, -0
If θ ∊ (0,
π
2
) and k = 4 sec2 θ + 9 cosec2 θ , then the number of the solutions of the system of equations 3x - y + 4z = 3 , x + 2y - 3z = - 2 , 6x + 5y + kz = - 3 is
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