Write the value of k for which the following pair of linear equations has unique solution 2x+ky+5=0, 3x+3y+6=0
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For no solution, we have a1/a2=b1/b2 =c1/c2
In given equation
2x+ky+5=0,
3x+3y+6=0
Compare these eq with standard eq a1x+b1y+c1=0 a2x+b2y+c2=0
a1=2,b1=k,c1=5,a2=3,b2=3 ,c2=6
Now a1/a2= b1/b2
=> 2/3= k/3
=> k=2 answer
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