Mathematics for IGCSE & O level - Vectors (Section 1 - No. 3)
Consider the parallelogram OABC where \(OA = a\) and \(OC = c\). Which of the following vector equations are true?
\(AB = c\)
\(OA + AB = OC\)
\(OB = a + c\)
\(CA = a + c\)
Giải thích
In a parallelogram AB = OC = c. OB = OA + AB = a + c.