graydarl
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0 
Questions Answered

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 2 years ago
 6 replies
 1 Medal
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

Ujji:
Group Title
(10^25)7 is divisible by
a) 2 b)3 c)9 d) both 2 & 3
 updated 2 years ago
 8 replies
 4 Medals
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

iAmCool:
Group Title
What percentage of the students surveyed babysat for at most eleven hours last weekend? Show your work.
*Pic To Come*
 updated 2 years ago
 15 replies
 1 Medal
Mathematics

xclaireykinzx:
Group Title
a. Determine whether the ratios 10/20 and 30/60 can form a proportion by finding a common multiplier.
b. Show that the ratios in part (a) …
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

iAmCool:
Group Title
Jose is paying for an 11$meal using bills in his wallet. He has four 1$ bills, two 5$ bills, and two 10 $bills. If he selects two bills at r…
 updated 2 years ago
 22 replies
 2 Medals
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

workin_daily:
Group Title
Find the exact value:
(pi)/12
 updated 2 years ago
 15 replies
 2 Medals
Mathematics

chels1226:
Group Title
2 x+4
 = 
x+2 x^24
 updated 2 years ago
 4 replies
 2 Medals
Mathematics

tigerlily012:
Group Title
What are the key differences between rational and irrational numbere?
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

sferrell2010:
Group Title
If 6x3y=30 and 4x=2y then find x+y
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

takemiami:
Group Title
2x2 + 13x + 15
2x2 + 27x + 13
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

alyssababy7:
Group Title
Graph the function. y = cot x/4
 updated 2 years ago
 10 replies
 2 Medals
Mathematics

clongfl:
Group Title
4x + y = –3 ?
What kind of line is this equation when graphed?
…
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

latremese40:
Group Title
solve inequality n8<15. graph the soultion set on a number line.
 updated 2 years ago
 9 replies
 No Medals Yet
Mathematics

clongfl:
Group Title
2x+1 3 >6 solve
 updated 2 years ago
 5 replies
 No Medals Yet
Mathematics

clongfl:
Group Title
k=1/3(b2a) solve for b
would you use the distributive property first or divide both sides by 1/3?
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

Tainted:
Group Title
What are the characteristics of a radical equation?
How is solving radical equations similar to solving linear equations?
 updated 2 years ago
 3 replies
 2 Medals
Mathematics

cheeseloverXD:
Group Title
Which equation matches the statement “The product of 3 and the difference of a number and 10 is 15?"
 updated 2 years ago
 6 replies
 No Medals Yet
Mathematics

samtab:
Group Title
my qustion is on the bottom please help me!!!
…
 updated 2 years ago
 15 replies
 1 Medal
Mathematics
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