Question

find the value of k for the inconsistent pair of linear equation x+2y=0 and 2x+ky=5​

Answer 1

since the equation has inconsistent pair of linear equation

now,

a1/a2=b1/b2 is not equal to c1/c2

1/2=2/k is not equal to 0/5

1/2=2/k. 2/k is not equal to 0/5

k=2×2.

k=4

since k=4

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