Question

which value of a does the
Simultaneous equation s-Kx=loy and
x+15=-1 have unique solution?​

Answer 1

Solution:

The two equations when arranged in proper way are

-kx-10y +5=0

and

X + 15y + 1 = 0

The two equations will have a unique solution only when

a1/a2 is not equal to b1/b2

So,

-k/1 is not equal to -10/15

-k is not equal to -2/3

K is not equal to 2/3

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