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3設u(t), v(t), w(t) 為三向量函數,則下列何者錯誤?
(A)(cv(t))′ = cv′(t) (c 為一常數)
(B)(u(t) + v(t))′ = u′(t) + v′(t)
(C)(u(t) • v(t))′ = u′(t) • v(t) + v′(t) •u(t)
(D)(u(t)× v(t))′ = u′(t)× v(t) + v′(t)×u(t)


3設u(t), v(t), w(t) 為三向量函數,則下列何者錯誤? (A)(..-阿摩線上測驗