1.

Let f(x)=∣∣∣∣cosx1012cosx1012cosx∣∣∣∣. If the value of f′(x)=αsin(βx), then the value of β−α is

Answer» Let f(x)=∣∣
∣
∣
cosx1012cosx1012cosx∣∣
∣
∣
. If the value of f′(x)=αsin(βx), then the value of β−α is


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