cello10
cello10
17-08-2017
Mathematics
contestada
Find f ′(x) for f(x) = cos (3x^3).
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jdoe0001
jdoe0001
17-08-2017
[tex]\bf f(x)=cos(3x^3)\impliedby chain-rule \\\\\\ \cfrac{df}{dx}=-sin(3x^3)\cdot (3\cdot 3x^{3-1})\implies \cfrac{df}{dx}=-9x^2sin(3x^3)[/tex]
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