平面向量的超级难题1.三角形ABC的顶点A(3,1),B(x,-1),C(2,y),重心G(5/3,1).求:AB边上的中线长以及AB边上的高的长2.已知过点A(0,1),且斜率为k的直线l与圆c:(x-2)平方+(y-3)平方=1,相交于M,N 求:实数k的取值
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 21:03:51
![平面向量的超级难题1.三角形ABC的顶点A(3,1),B(x,-1),C(2,y),重心G(5/3,1).求:AB边上的中线长以及AB边上的高的长2.已知过点A(0,1),且斜率为k的直线l与圆c:(x-2)平方+(y-3)平方=1,相交于M,N 求:实数k的取值](/uploads/image/z/14134922-26-2.jpg?t=%E5%B9%B3%E9%9D%A2%E5%90%91%E9%87%8F%E7%9A%84%E8%B6%85%E7%BA%A7%E9%9A%BE%E9%A2%981.%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E9%A1%B6%E7%82%B9A%283%2C1%29%2CB%28x%2C-1%29%2CC%282%2Cy%29%2C%E9%87%8D%E5%BF%83G%285%2F3%2C1%29.%E6%B1%82%3AAB%E8%BE%B9%E4%B8%8A%E7%9A%84%E4%B8%AD%E7%BA%BF%E9%95%BF%E4%BB%A5%E5%8F%8AAB%E8%BE%B9%E4%B8%8A%E7%9A%84%E9%AB%98%E7%9A%84%E9%95%BF2.%E5%B7%B2%E7%9F%A5%E8%BF%87%E7%82%B9A%280%2C1%29%2C%E4%B8%94%E6%96%9C%E7%8E%87%E4%B8%BAk%E7%9A%84%E7%9B%B4%E7%BA%BFl%E4%B8%8E%E5%9C%86c%3A%28x-2%29%E5%B9%B3%E6%96%B9%2B%28y-3%29%E5%B9%B3%E6%96%B9%3D1%2C%E7%9B%B8%E4%BA%A4%E4%BA%8EM%2CN+%E6%B1%82%3A%E5%AE%9E%E6%95%B0k%E7%9A%84%E5%8F%96%E5%80%BC)
xUR"YgWؗRPc"1Yu/ W8Ƹxn#| B3X/ɺ%cb
UufɓyS*ɂYٲۦvaW^gz>
0ڍ*S!eUx+~v2G͟ l0d<ޭ
tF7~2ϬaI2I^دqϬ> ίz/O¬{PyO՞5u-A|c0:2:
eIiT}ʜEE$Ic椒ȇ1c耝Rv"T)!tQ2)5GEL,\S+w3J(oXu2LAh^P0=VE-p=B.Ep,Kdø{ZC3o%*JO5ض7/%X;eRP?f˼hs}V
>]xTpm+~dW+!QL60"vGQgOk'XwER3Vg|{9ckhlW@Az8(Fj:wepkU*^TH6ھA_pE'}#ײ+ *T|害,`Hg 2ji]KЈD{Ж1G?cuIf S܄6ipUɾծaq7Ld:^MoS]:H&:b^fd仵^23&