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KVPY2017MathematicsDeterminants

For how many different values of a does the following system have at least two distinct solutions? array l a x+y=0 x+(a+10) y=0 array

Options

  1. A0
  2. B2
  3. C1
  4. DInfinitely many

Correct answer

B. 2

Step-by-step solution

array l a 1 = 1 ( a +10) a ²+10 a -1=0 array two value of a

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