Comedk
Application Of Derivatives
COMEDK 2026 Afternoon Shift
MCQ+1 / -02026
The function $f(x)=e^{a x}+e^{-a x}, x \in \mathbb{R}$ and $a<0$, is strictly decreasing for all values of ' $x$ ', where
Comedk
COMEDK 2026 Afternoon Shift
The function $f(x)=e^{a x}+e^{-a x}, x \in \mathbb{R}$ and $a<0$, is strictly decreasing for all values of ' $x$ ', where