Questions asked by Mr.X
- Back to user's profile
-
How do you prove if lim_(n->infty) x_(2n) = L = lim_(n->infty) x_(2n+1),
then lim_(n->infty) x_n = L?
-
Does sum_(n=1)^oo 3^n/(n!) converge ?
-
Dose sum ((n^2+3)/(2+n^2))^(n^3) with n = 0 -> infinity converge ?
-
How do you prove this ?
if
lim_(n->oo)x_(2n)=L=lim_(n->oo)x_(2n+1)
then lim_(n->oo)x_(n)=L
-
How do you prove this ?
sum_(n=1)^oo a_n converges -> sum_(n=1)^oo a_n^2 converges
-
How do you find this ?
lim_(x->0)sum_(n=1)^oo(cosnx)/((4n-3)(4n+1))
-
Prove or disprove ?
f(A/B)=f(A)/f(B)
-
What dose {x_n} converges ?
when x_1=5/2,5x_(n+1)=x_n^2+6
-
How do you solve this ?
lim_(x->0^+)(1+sin(4x))^cot(x)
-
How do you find m when mZZ=<-10,8,26> ?
(Abstract algebra)
-
How do you find ?
lim_(x->0)int_(0)^(2x)(e^(t^2))/(x+tan(x))
-
If f:[0,1]->RR,|f'(x)|<1 how do you show f(1/n) converges ?
-
Let f:[a,b]->RR, f integrate and converges at x_0
F:[a,b]->RR,F(x)=int_a^xf(t)dt
how do you show F differentiable at x_0 ?
-
How do you prove log_2 3 is irrational number ?
-
How to prove or dis prove ?
if lim_(x->a)f(x)=b and lim_(x->b)g(x)=c then lim_(x->a)g๐f(x)=c
-
How to prove or disprove ?
if f is integrable on [a,b] then int_a^b|f(x)|dx<=|int_a^bf(x)dx|
-
If A_x=(-1/(x^2+1),1/(|x|+1)]
how do you find ?
uuu_(x=1)^(oo)A_x= ? and nnn_(x=1)^(oo)A_x=?
-
Let G be a group and H be a subgroup ofG=<a>
if|G|=36andH=<a^4>. How do you find |H| ?
-
Let G is cyclic group and |G|=48.
How do you find all of subgroup of G ?
-
If H and K is subgroup of G and |H|=10,|K|=49 then how do you find |HnnK| ?
-
f is a function on real where f(x)=2x^2-x
How do you find f^-1(x) ?
-
f is a function on RR where f(x)=|x^2-2|,
How do you find f^-1(x)?
-
Does sum_(n=2)^oo1/(nln(n)) converges ?
-
Let f:[a,b]->RR^+uu{0} where int_0^bf(x)dx=0 then f(x)=0 on [a,b]
this sentence true or false ?
-
How to find
int((1)/(x-sqrt(x+2)))dx ?
-
How to find dy/dx from x^2y+3xy^2-x=5?
-
How to find lim_(x->oo)1/(|x|+1) ?
-
How to prove this ?
2|k^2 then 2|k for some k\inZZ
-
How to prove this ?
if 7|k^2 then 7|k for some k\inZZ
-
Help plz !
we say that 1) x\inuuu_(n\inN)A_n if x\inA_n for some n\inN and
2)x\innnn_(n\inN)A_n if x\inA_n for all n\inN
prove or dispprove nnn_(n\inN)A_n\sube uuu_(n\inN)A_n for any index set N ?
-
Please, give me an example f:NNxxNN\toNN
f is a bijection ?