What is the derivative of $f(x) = 8 π 9$ ?

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Answer 1 · 2016-08-22T01:02:41

$f'(x)=0$

$8pi9 = 72pi$ which is a constant

By definition, the derivative of a constant $= 0$

Hence, $f'(x) =0$

What is the derivative of f(x) = 8 π 9 f(x) = 8 π 9 ?