HU NAN DA XUE JING PIN KE CHENG 2.混合积的坐标表示式 设向量a=(a2a1,a)B=(bx,b,b),y=(cx,Cy,CE 则有 j k B x x k b b (a×B)·y= 6. 6 AO 高等粤则有 设向量 = (ax , ay , az ),  = (cx , cy , cz  = (b ), x , by , bz ), 2.混合积的坐标表示式 y z y z b b a a = x z x z b b a a − x y x y b b a a i j + k , (  ) y z y z b b a a = x z x z b b a a − x y x y b b a a cx cy + cz ,    x y z x y z b b b = a a a i j k