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Q:

If one root of the equation $$ {Ax^2+Bx+C=0}$$ is two and a half times the others, then which of the following is True?

  • 1
    $$ {7B^2=3CA}$$
  • 2
    $$ {7B^2=4CA}$$
  • 3
    $$ {7B^2=36CA}$$
  • 4
    $$ {10B^2=49CA}$$
  • Show Answer
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Answer : 4. "$$ {10B^2=49CA}$$"

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