coundoooku coundoooku

27-06-2018
Mathematics

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I have this question and I need it done bad... Help please? Picture included I was never taught matrix

I have this question and I need it done bad Help please Picture included I was never taught matrix class=

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Luv2Teach Luv2Teach

27-06-2018

Multiply the numbers on the major axis which are 2 and -9 to get -18. Subtract from that 3*4 = 12. So -18-12 = -30. That's the determinant.

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