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Prove that if x is not a negative integer , summation n=1 to infinity of 1/(x+n)(x+n+1) = 1/1+x .
(1) for the function f , defined by f(x) = 4x^3 - 4x^2 -7x -2 , there exist a point c €]-1/2 ,2[ satisfying f'(c) = 0 (2) for all even integral values of n, lim (x+1)^-n as x tends to infinity exists.
(1) check whether the function f given by f(x) = 1/(2x-4)^2 for all x belonging to ]-2,2[ is continuous in the interval ]-2,2[. Is it bounded? Justify your answer. (2) find the values of p and q so that lim { p sinx + x(1-cosx)}/5x^3 as x tends to infinity is 1/6
Let a function f : R -> R be defined by f(x) = {2, if x belongs to Q , 4 , if x doesn't belongs to Q} check whether f is continuous on B
Use a proof of contradiction to establish the following: If a positive whole number n can be expresses as n1 n2, where n1 is greater equals to 2 and n2 is greater equals to 2, then at least one element sets n1 and n2 is less than n^1/2
Use a proof bt of the set of n1 and n2 is less than n^1/2y contradiction to establish the following: If a positive whole number n can be expresses as n1 n2, where n1 is greater equals to 2 and n2 is greater equals to 2, then at least one element sets n1 and n2 is less than n^1/2
How can I prove that the sequence of irrational numbers is unbounded
Let G denote the family of all open subsets of the real numbers and F the fam- ily of all closed subsets of the real numbers. Then Every set G in G is the union of a sequence of disjoint open intervals (called the compo- nents of G).
The function f defined by f(x)= [x −1 ]where [x] is the greatest integer function is integrable on the interval [2,4]. True or false
Let f: [-5,5]-->R be defined by f(x) =5[x] +x^2 , where [x] denotes the greatest integer function . Show that this function is integrable .Is this function also differentiable ? Justify your answer ?
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