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Multiple choice

If $p.q \epsilon R$ , then the equation $(x^2+(1-p)x + cos 7^0)(x^2+(q+3)x -sin 83^0) =0$ can have

  1. at least $2$ imaginary roots
  2. at most $2$ imaginary roots
  3. at least $2$ real roots
  4. at most $2$ real roots
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