If a is any natural number then `a^3-1/a^3` will always be greater than or equal to

If n is a any natural number ,then 6^n-5^n is always end with

M.A. is always greater than 1 in

If n is any natural number, then 5^(2n)-1 is always divisible by how many natural numbers ?

If n is a natural number, then (4^(n) -3n -1) is always divisible by-

Which of the following equations has a graph in the xy-plane for which y is always greater than or equal to −1 ?

In any triangle ABC sum (sin^2A+sinA+1)/sinA is always greater than or equal

In any triangle ABC sum (sin^2A+sinA+1)/sinA is always greater than or equal

Prove that the sum of a positive number and its reciprocal is always greater than or equal to 2.