Contact us
Choose a category below so we can get back to you as quickly as possible.
因為兩個向量的叉乘積同時垂直於著兩個向量,囙此求a向量與b向量的叉乘積. a x b=-7i+3j+k 取任意平行向量,此處取(-7,3,1) 由點向式方程可得直線方程為:x/-7=y/3=z/1
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.