The pair of linear equation 2x+3y+7=0and 5x+ky-8=0has no solution .Find the value of k
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Answer: k = 9/2
Step-by-step explanation:
No other solution implies that they are parallel lines
For parallel lines,
a1/a2=b1/b2 ≠c1/c2
2/5 = 3/k ≠ 7/-8
2/5= 3/k
k = 15/2
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