The dot product of (ai + bj) and (ci + dj) is(A)ab + cd(B)ad + bc(C)ba + cd(D)ac + bd

問題詳情

27. The dot product of (ai + bj) and (ci + dj) is
(A)ab + cd
(B)ad + bc
(C)ba + cd
(D)ac + bd

參考答案

答案：D
難度：適中0.428571
統計：A(1),B(2),C(1),D(3),E(0)

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