﻿ If the system of equations x – ky – z = 0, kx – y – z = 0, x + y – z = 0 has a non zero solution, then the possible values of k are : Kaysons Education

# If The System Of Equations x – ky – z = 0, kx – y – z = 0, x + y – z = 0 Has A Non Zero Solution, Then The Possible Values Of k are

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## Question

### Solution

Correct option is

–1, 1

Set of homogeneous equations will have non-trivial solution if âˆ† = 0

Apply R2 – R1R3 – R1 and expand.

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