Asked by nmenghani | 27th Apr, 2010, 11:33: AM

Expert Answer:

let the roots be m and 2m.

so sum of roots=-b/a=3m


m=-b / 3a..(i)

product of the roots =c /a=m x 2m..(ii)

substitute the value of m from (i)  into (ii)

 you will get the equation containing a,b,c.

 this is the reqd condition.

Answered by  | 27th Apr, 2010, 11:39: AM

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