The sum of first n terms of an AP is (4n2+2n) The nth term of this AP is (a) (6n-2) (b) (7n-3) (c) (8 n - 2) (d) (8n + 2)
Which of the following sets of forces acting simultaneously on a particle keep it in equilibrium?
1.3 N,4 N,5 N
2.4 N,7 N, 12 N
3.2 N,6 N,5 N
4.5 N,8 N,1 N