1.

Solve the following system of linear equations using matrix method.2x-y=-2 3x+4y=3

Answer»

SOLUTION :[[2,-1],[3,4]] [(x),(y)][(-2),(3)]
AX=B
`|A|=11!=0`
`therefore A^(-1)=(adjA)/|A|=1/11[[4,1],[-3,2]]`
`X=A^(-1)B`
`therefore`x=-5/11,y=12/11`


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