Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In a
△
A
B
C
\triangle ABC
△
A
B
C
, if
2
A
C
⃗
=
3
C
B
⃗
2\vec{AC} = 3\vec{CB}
2
A
C
=
3
C
B
, then
2
O
A
⃗
+
3
O
B
⃗
2\vec{OA} + 3\vec{OB}
2
O
A
+
3
O
B
is equal to a.
5
O
C
⃗
5\vec{OC}
5
O
C
b.
−
O
C
⃗
-\vec{OC}
−
O
C
c.
O
C
⃗
\vec{OC}
O
C
d. None of these
Browse the problem library