Question

for what value of k, system of equation 5x-7y -5=0and 2x+ky-1=0, have unique solution​

Answer 1

Answer:

5/2 is not equal-7/k is not equal-5/-1

=> 5/2 is not equal-7/k

=> 5k is not equal-7×2

=> k is not equal -14/5

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