mathew0135
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 11
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 1
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Questions Answered

mathew0135:
Find the linear equation of the plane P3 containing that point (3; 1;1),
and orthogonal to the line described by the vector equation L = (5…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

mathew0135:
Calculate the theoretical forces in members AB, AC and AD of the cantilever truss shown
above as a function of the known load.
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

mathew0135:
confirm that the linear equation of the plane
P1 containing both lines L1 and L2 is: 26x + 4y 19z + 70 = 0. What
is the distance between…
 updated one year ago
 13 replies
 2 Medals
Mathematics

mathew0135:
r(t)=(t^2+4,sin(2t),\frac{ t }{ 2t^2+4 })
suppose F(t) is an anti derivative of r(t), and it is known that F(0)=(1,1,(1/2)ln(2)). Find F…
 updated one year ago
 3 replies
 1 Medal
Mathematics

mathew0135:
find the derivative of r(t)=(t^(2)+4,sin(2t),(t)/(2t^(t)+4)) and find the vector equation of the tangent line to the curve r(t) at the point…
 updated one year ago
 8 replies
 1 Medal
Mathematics

mathew0135:
Find the vector equation and parametric equations for L2, the straight
line passing through the point A(4; 1; 2), and parallel to the line
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

mathew0135:
A particle moves on a straight line v(t)=sinwt cos ^{3} wt. find the position s(t) if s(0)=0.
I've done this style of question before, bu…
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

mathew0135:
I know this limit should be zero but i'm not sure why.
\[\lim_{n \rightarrow \infty} \frac{ 917^(n+100) }{ 955^n }\]
 updated one year ago
 9 replies
 1 Medal
Mathematics

mathew0135:
If R is a reduced row row echelon form for a square matrix A, then either R has a row of zeroes or R is the identity matrix.
True or Fals…
 updated one year ago
 4 replies
 1 Medal
Mathematics

mathew0135:
Solve the initial value problem:
x(dy/dx)+y(x) = 9y(x)^(2), y(1) = 1
 updated one year ago
 23 replies
 3 Medals
Mathematics

mathew0135:
Check whether the series defined below is convergent and if so, find its sum.
 updated one year ago
 13 replies
 No Medals Yet
Mathematics

vortish:
3/8x + 1/2 =3/8 solve and check the equation
 updated one year ago
 9 replies
 1 Medal
Mathematics

mathew0135:
The base of solid "S" is the region enclosed by the parabola "y=3625x^(2)" and the xaxis. Crosssections perpendicular to the yaxis are s…
 updated one year ago
 14 replies
 1 Medal
Mathematics