F(x) = x^3 −9x^2 +24x+c=0 has three
real and distinct roots α , β & γ .
Q.1 → Possible value of c is :
Q.2 → If [α]+[β]+[γ]= 8 then c is :
Q.3 → If [α]+[β]+[γ]=7 then c is :
Options for the above 3 Q. →
a) (−20,−16) b) (−20,−18)
c) (−18,−16) d) none of these.
[.] = greatest integer function.
|