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  4. The function f(x)=2sin x-ex,∀ x∈ [0 , π ] has

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Q. The function $f\left(x\right)=2sin x-e^{x},\forall x\in \left[0 , \pi \right]$ has

NTA AbhyasNTA Abhyas 2020Application of Derivatives

Solution:

Solution
$f^{'} \left(x\right) = 2 cos x - e^{x}$
$\therefore f\left(x\right)$ has a local maximum