Question

for what value of k system of equation x+2y=3 and 5x+ky+7=0 has a unique solution​

Answer 1

Answer:

a1=1  , b1=2  ,c1=3

a2=5  ,b2=k  ,c2=0

for unique solution,

a1/a2 not equal to b1/b2

so,1/5 not= 2/k

k not= 10

Answer 2

Step-by-step explanation:

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