Asked by Jenny

Find the variable for the following 3x3 matrix.

|x 3 -1
2 1 -2
4 1 x|

10 years ago

Answered by Reiny

Makes no sense.

Did you check for my concern about this question when you posted it earlier?

10 years ago

Answered by Jenny

Yes I did.

10 years ago

Answered by Reiny

then check back please

10 years ago

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