Matrices and Determinants Part 1

Section: Mathematics
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Question : 38 of 100
 
Marks: +1, -0
The number of values of θ ∊ (0,π) for which the system of linear equations
x + 3y + 7z = 0
–x + 4y + 7z = 0
(sin 3θ)x + (cos 2θ) y + 2z = 0
has a non-trivial solution, is :
[10 Jan 2019 Shift 2]
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