"The minimum value of   the function `f(x)=2x^3-21 x^2+36 x-20` is `-128` (b) `-126`
Channel: Doubtnut
Date: 2020-06-28

"The minimum value of
 
  the function `f(x)=2x^3-21 x^2+36 x-20`
 is
 `-128`
 (b) `-126`
 (c) `-120`
 (d) none of these"