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1. The pair of linear equations3a +4b = k, 9a + 12b = 6 have infinitely many solutions when,a) K = -2b) K = 3c) K = 2d) K = -3​

Answer»

Answer:

k = - 2 is the answer

3a + 4B - k = 0

9a + 12b - 6 = 0

If these EQUATIONS have infinetly many solutions then ;

a1/a2 = b1/b2 = c1/c2

3/9 = 4/12 = -k/-6

1/3 = 1/3 = -2/-6

1/3 = 1/3 = 1/3

I HOPE you GOT it!!!

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