已知向量a向量b的夹角为60度,|a|=2,|b|=3,c=3a+5b,d=ma-b1 求a乘b的至2 若c垂直d,求实数m的值.
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 11:33:51
![已知向量a向量b的夹角为60度,|a|=2,|b|=3,c=3a+5b,d=ma-b1 求a乘b的至2 若c垂直d,求实数m的值.](/uploads/image/z/6843647-47-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%90%91%E9%87%8Fa%E5%90%91%E9%87%8Fb%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA60%E5%BA%A6%2C%7Ca%7C%3D2%2C%7Cb%7C%3D3%2Cc%3D3a%2B5b%2Cd%3Dma-b1+%E6%B1%82a%E4%B9%98b%E7%9A%84%E8%87%B32+%E8%8B%A5c%E5%9E%82%E7%9B%B4d%2C%E6%B1%82%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%80%BC.)
xXISG+]\OqH\I\,[ b0*0hAPe#YNׯg5/r12=_o_~V6Mw^<͞{eu$N,K9=_B0'Bnќk~W2>rW::sN
ԯp/E,N2HT ~IfSM>YɟݜqM9&gnEB.|t*dUsҪ9ើkKRLE✙: \e.GnH!^!MDv
8?VknWށc;-;äa'ҋf~2'J}c#J]eh7VAUnpͶ58qܽz{v8}8im:bvq(ڿ=1X5o){Qt\kDve9_& ]T5<X QoSOpHIBs Q/(qB"V\0#ư,㽎{gNm9MP-"B4^MZ,f]{63y EezGV#Sa5"b$eosLLT\br{vm[|K({)oA7,kT t 4/0#KxGBB4Ofo܋~gZ6$;&BI0@LB5LE1Cnz5
:-.2`2 Sup'S``
w$}@B068
Ƽ