Let S = {1,2,3,.....,n} and A={(a,b) | 1<=a, b<=n}=S*S. A subset B of A is such that (x,x) belongs to B for every x belongs to S. Then find the number of subsets B.
Let S = {1,2,3,.....,n} and A={(a,b) | 1<=a, b<=n}=S*S. A subset B of A is such that (x,x) belongs to B for every x belongs to S. Then find the number of subsets B.
particle of mass 4 kg is at rest at position A(2, 3). If it is moved to point B(3, 5) by applying a constant force , the speed of particle at B is (co-ordinates are in meters)
The ratio of volume of 2 sphere is 8:27 if r and R radii of sphere respectively find (R-r)/r
A right circular cylinder just enclosed a sphere of radius 4.2 cm. What is the volume of this cylinder?