graydarl
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 3
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 1
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 Questions Asked
 16
 Questions Answered
 21
 Medals Received
 9

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0 
Questions Asked

graydarl:
Group Title
Can someone explain me Taylor series with an example? Thank you very much
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

graydarl:
Group Title
I have A(1,2,1), B(1,2,3), C(2,2,2)
pi: x2*y+2*z = 0
d: (x1)/2 = y/(1) = (z1)/(2)
…
 updated one year ago
 7 replies
 1 Medal
Mathematics

graydarl:
Group Title
Linear application f: R^6 > R^4 has towards canonical bases the matrix A=1 1 2 1 0 2/
1 2 3 …
 updated one year ago
 9 replies
 1 Medal
Mathematics

graydarl:
Group Title
We have A(1; 2; 1), B (1; 2; 3), C (2; 2; 2), pi: x2y + 2z = 0, d : (x1)/2= y/(1)=(z1)/(2)
We must show that:
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

graydarl:
Group Title
We have A(1; 2; 1), B (1; 2; 3), C (2; 2; 2), pi: x2y + 2z = 0, d : (x1)/2= y/(1)=(z1)/(2)
We must show that:
…
 updated one year ago
 No Medals Yet
Mathematics

graydarl:
Group Title
i have the sequence a_n=( sin 1!/1*2)+( sin 2!/2*3)+( sin 3!/3*4) + ... + ( sin n!/n*(n+1)) i must use cauchy (a_(n+p)  a_n) to verify if i…
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

graydarl:
Group Title
i must find lim of a_n for x_n = 1/n( 1/ln(2) + ... + 1/ln(n) ) using stoltz cesaro theorem
 updated 2 years ago
 11 replies
 1 Medal
Mathematics

graydarl:
Group Title
I have x_n =[1/sqrt(2)+1/sqrt(3)+....+1/sqrt(n)]/sqrt(n)
I must find lim of a_n with stoltzcesaro
so [1/sqrt(2)+1/sqrt(3)+....+1/sqrt(n)]…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

graydarl:
Group Title
Using cauchy's criterion a_n+p  a_n<epsilon prove that a_n= cos(x)/3 + cos(2*x)/3^2 + ..... + cos(n*x)/3^n is a cauchy sequence
 updated 2 years ago
 11 replies
 1 Medal
Mathematics

graydarl:
Group Title
I have a sequence that must have lim when n goes to infinity equal to 1 (pic below)
 updated 2 years ago
 12 replies
 1 Medal
Mathematics

graydarl:
Group Title
lin when n goes to infinity of ((2^n)*n!)/((n+1)*(n+2*....*(n+n))
Help me pleaseeeee
 updated 2 years ago
 8 replies
 3 Medals
Mathematics

graydarl:
Group Title
lim when n goes to infinity of ((2*n)^n)/(2*n)!= 0 please help me
 updated 2 years ago
 No Medals Yet
Mathematics

graydarl:
Group Title
I must show that lim whn n goes to infinity of (1/n!)*((n/3)^n)=0
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

graydarl:
Group Title
I must show that lim to n of series An=+ infinity
An=((2^n)*(n^n))/((n+1)*(n+2)*....*(n+n))
…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

graydarl:
Group Title
I have a series An= (alpha*n)/(beta*n+1) and alpha is a real number, beta greater than 0, n greater or equal to 1 and i have to prove that i…
 updated 2 years ago
 3 replies
 2 Medals
Mathematics

graydarl:
Group Title
Can someone hlep me with this math problem? serie : an=(alpha*n)/(n+1), n>=1 (alpha is from Rreal number). I must determine if the series i…
 updated 2 years ago
 10 replies
 1 Medal
Mathematics

graydarl:
Group Title
can someone hlep me with this math problem? serie : an=(alpha*n)/(n+1), n>=1 (alpha is from Rreal number). I must determine if the series i…
 updated 2 years ago
 7 replies
 No Medals Yet
Mathematics