find the value of k for which the equation x+2y-3=0 and 5x+ky+7=0 have no solution
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Step-by-step explanation:
x +2y - 3 = 0
5x +ky +7 = 0
a¹ b¹ c¹
__ =___≠____
a² b² c²
1 2 - 3
__=___≠____
5 k 7
1 2
__=___
5 k
k = 5 ×2
k = 10
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