CUET Preparation Today
CUET
-- Mathematics - Section A
Relations and Functions
Interval in which the function $f(x) =2x^3-3x^2-12x+10 $ is decreasing is :
$(-∞, -1]$
$(-∞, -1]∪[2, ∞)$
$[-1, 2]$
$[2, ∞)$