A bag contains tickets numbered 1,2,3..........50 of which 5 tickets x1,x2,x3,x4,x5 are drawn at random and arranged in ascending order of magnitude x1<x2<x3<x4<x5.What is the probability that x3=30? ...
If y=f(x) be concave upward function and y=g(x) be a function such that f'(x).g(x)-g'(x).f(x)= x^4+2x^2+10, then a) g(x) has atleast one root between two consecutive roots of f(x) b) g(x) has at most one root between two cons ...