nissn
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 18
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Questions Asked

nissn:
Group Title
integrate (e^x*sin x dx
How do I do This I know the answer should be (e^x*sin (x))/2  (e^x*cos (x))/2
…
 updated one year ago
 13 replies
 1 Medal
Mathematics

nissn:
Group Title
find the fourier series of this
 updated one year ago
 26 replies
 2 Medals
Mathematics

nissn:
Group Title
draw the graph of the periodic function
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

nissn:
Group Title
how to find the sum of this?
 updated one year ago
 9 replies
 2 Medals
Mathematics

nissn:
Group Title
can someone help me with this? (statics)
I have to find the forces in S1, S4 and S6 with method of sections
 updated one year ago
 10 replies
 1 Medal
Mathematics

nissn:
Group Title
can someone help me with this? (statics)
I have to find the forces in S1, S4 and S6 with method of sections
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

nissn:
Group Title
what is the general term of this sequence:
1, 2, 3, 4, 5
 updated one year ago
 10 replies
 1 Medal
Mathematics

nissn:
Group Title
we have 2 basis B=(b1,b2,b3) and C=c1,c2,c3)
1 1 1
b1=1 b2=1  b3=1
…
 updated 2 years ago
 No Medals Yet
Mathematics

nissn:
Group Title
how to find the eigenvector of this
1 0 1
…
 updated 2 years ago
 13 replies
 1 Medal
Mathematics

nissn:
Group Title
This matrix is not diagonalizable. why not?
…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

nissn:
Group Title
Use matrices and decide the value of P and Q so that the system has no solution.
x1+x2+3x3=2
…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

nissn:
Group Title
Use matrices and decide the value of P and Q so that the system has no solution and that the system has infinity solution
x1+x2+3x3=2
…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

nissn:
Group Title
how to solve this using matrices:
x1+2x22x3+x4=2
…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

nissn:
Group Title
use induction to prove the statement counts for all natural numbers n≥1
P(n):1+1/2^2+1/3^2+......+1/n^2≤21/n…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

nissn:
Group Title
2pi(integrate)(x(x^2x^3)dx 2pi(integrate)(x(x^2x^3)dx @Mathematics
 updated 2 years ago
 9 replies
 1 Medal
Mathematics

nissn:
Group Title
how to integrate (x+14)/(x^2+3x4) how to integrate (x+14)/(x^2+3x4) @Mathematics
 updated 2 years ago
 7 replies
 2 Medals
Mathematics

nissn:
Group Title
the graphs to the functions f(x)=x^2 and g(x)=2x^2 x^3 delimits a surface F. what is the area of F
the graphs to the functions f(x)=x^2 a…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

nissn:
Group Title
a parametric curve x=tsin t
y=1cos t
find the length of the curve between t=0 and t=2*pi…
 updated 2 years ago
 No Medals Yet
Mathematics

nissn:
Group Title
how to solve the Differential equation: y'+2xy=2x , y(0)=2 how to solve the Differential equation: y'+2xy=2x , y(0)=2 @Mathematics
 updated 2 years ago
 16 replies
 2 Medals
Mathematics

nissn:
Group Title
can someone help me find the forces with cremonadiagram on this?
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics