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在平面直角坐标系xOy中,已知点A(1,0)和点B(4,3),以、为邻边
在平面直角坐标系xOy中,已知点A(1,0)和点B(4,3),以、为邻边
在平面直角坐标系xOy中,已知点A(1,0)和点B(4,3),以
、
为邻边作平行四边形.若两条对角线的交点为C则,
=______.
答案
答案:(
,
)
解析:由题意
=
(
+
)=
[(1,0)+(4,3)]=
,
.
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