find the derivative of cos (x³+5)
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Answer:
-3x²sin(x³+5)
Step-by-step explanation:
=cos(x³+5)dx
= -sin(x³+5) d/dx(x³+5)
= -sin(x³+5) × (3x²+0)
= -3x²sin(x³+5)
Formulae used:-
1)cosx dx= -sinx
2)x³dx = 3x²
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