Find the area of the triangle whose vertices are (3,8),(-4,2)and (5,1).
61
64/2
54/2
61/2
Evaluate .
0
cos
1
2
Find value of x,if .
AdjA = ___________
[Minor]T
[Co factor]T
[Inverse ]T
[Matrix]T
Evaluate
3
Find values of x,if .
4
5
Evaluate the determinants
10
12
16
42
44
46
48
A is orthogonal if AAT = ________
A
I
A-1
|A|I
A square matrix A is said to be singular if |A|= _____ .