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The system of equations 3x1 – 12x2 + 6x3 + 9x4 = 0, 6x1 + 9x2 + 21x3 + 3x4 = 0, 3x1 + 27x2 + 6x3 = 0, –3x2 + 3x4 = 0 has
(1) An unique solution
(2) Infinite number of solutions
(3) No solution
(4) Exactly four solutions

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ryandany07 asked Aug 30, 2022
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MX = O is a homogeneous equation and such an equation when |M| = 0 has non trivial solution.M: Square MatrixO: Null MatrixKindly help me with the above statement.