If the vectors , and are three non-coplanar vectors and , then the value of abc is
0
1
2
- 1
24.
Let , and be three vectors. A vector in the plane of whose projection on is magnitude , is
Advertisement
25.
If the constant forces and -i^+2j^-k^act on a particle due to which it is displaced from a point A (4,- 3, - 2) to a point B (6, 1,- 3), then the work done by the forces is
15 unit
9 unit
- 15 unit
- 9 unit
26.
∫cos3x.elogsinxdx is equal to
-sin4x4+c
-cos4x4+c
esinx4+c
None of the above
27.
The value of ∫0π2cos3x+12cosx-1dx is
2
1
12
0
28.
The value of ∫01tan-12x-11+x-x2dx is
1
0
- 1
None of the above
Advertisement
29.
By the application of Simpson's one - third rule for numerical integration, with two subintervals, the value of ∫01dx1+x is