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NDA2013MathematicsDeterminantsActual

For what value of k , the equations 3 x-y=8 and 9 x-k y=24 will have infinitely many solutions?

Options

  1. A6
  2. B5
  3. C3
  4. D1

Correct answer

C. 3

Step-by-step solution

For infinite solution 3 9 = -1 -k = 8 24 k=3

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