Question

For the system of equations x + ky + z = 0, kx + 3y - kz = 0, x - y - 3z = 0 to have only the
trivial solution, k cannot be equal to
A) 2 and 3 B) -2 and 3 C) 2 and 3 D) -2 and -3​

Answer 1

Step-by-step explanation:

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Answer 2

Answer :-        -2 and 3

Explanation :- refer image attached