Let f(x) = x9 ex then the ninth derivative of f(x) at x = 0 is given – McqOptions

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1.	Let f(x) = x9 ex then the ninth derivative of f(x) at x = 0 is given by?
A.	9!
B.	9! * e9
C.	10!
D.	21!
Answer» B. 9! * e9

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