阿摩線上測驗
14. Find the derivative of the function f(x) = 2-x sin x2 .
(A) 2-x+1x cos x2 - 2-x-1sin x2
(B) 2-x+1x cos x2 - 2-x ln 2sin x2
(C) 2-x cos x2 - 2-x-1sin x2
(D) 2-xx cos x2 - 2-x-1ln 10 sin x2
(E) 2-x+1x cos x2 - 2-xsin x2
(A) 2-x+1x cos x2 - 2-x-1sin x2
(B) 2-x+1x cos x2 - 2-x ln 2sin x2
(C) 2-x cos x2 - 2-x-1sin x2
(D) 2-xx cos x2 - 2-x-1ln 10 sin x2
(E) 2-x+1x cos x2 - 2-xsin x2
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統計： A(0), B(2), C(0), D(0), E(0) #2264878
統計： A(0), B(2), C(0), D(0), E(0) #2264878