Mathematics for IGCSE & O level - Vectors (Section 3 - No. 42)
In a triangle, the vector from A to B is represented by a, and the vector from B to C is represented by b. How is the vector from A to C represented?
a - b
b - a
a + b
a/b
คำอธิบาย
AC = AB + BC, therefore AC = a + b.