find the value of k if it's equation has a unique solution
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a1/a2=b1/b2
5/2=9/k
5k=18
k=18/5
5/2=9/k
5k=18
k=18/5
1Harsh111:
this equation is 5x - 7y = 0, 2x + 2y = 0
IT CAN ALSO BE 2 X2 +[-3 X 1]-1=0,THEN K =-3
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2 X 2 + [-3 X 1] -1 = 0
4-3=1
1-1 =0
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