"If the roots   of the equation `x^3-12 x^2+39 x-28=0` are in A.P.   then common difference will be
Channel: Doubtnut
Date: 05/07/2020

"If the roots
 
  of the equation `x^3-12 x^2+39 x-28=0`
 are in A.P.
 
  then common difference will be
 `+-1`
 b. `+-2`
 c.`+-3`
 d. `+-4`"