Question

Number of solutions of
2x-y=7 and 8x-9y= 11?​

Answer 1

Answer:

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2x -y=7 and 8x-9y=11

a1=2,a2=8,b1=-1,b2=-9,c1=7,c2=11

Let,a1/a2=b1/b2=c1/c2

2/8=-1/-9=7/11

1/4≠1/9≠7/11

:.a1/a2≠b1/b2≠c1/c2,has

intersecting lines.And has unique solution...

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