Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
Three vectors which are coplanar with respect to a certain rectangular co-ordinate system are given by
a
=
4
i
^
−
j
^
,
b
=
−
3
i
^
+
2
j
^
and
c
=
−
3
j
^
a = 4\hat{i} - \hat{j}, b = -3\hat{i} + 2\hat{j} \text{ and } c = -3\hat{j}
a
=
4
i
^
−
j
^
,
b
=
−
3
i
^
+
2
j
^
and
c
=
−
3
j
^
Find a.
a
+
b
+
c
a + b + c
a
+
b
+
c
b.
a
+
b
−
c
a + b - c
a
+
b
−
c
c. Find the angle between
a
+
b
+
c
a + b + c
a
+
b
+
c
and
a
+
b
−
c
a + b - c
a
+
b
−
c
Browse the problem library