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guest1234:
Let a={a1, a2, a3, a4}, b={b1,b2,b3,b4} and c ={c1, c2,c3,c4} be a basis for vector space V. Suppose we have
b1=3a1
b2=6a1+4a2
…
 updated 2 days ago
 6 replies
 No Medals Yet
Mathematics

guest1234:
Use the cofactor expansion of determinants to evaluate the determinants of the following n x n matrices.
(matrices in comments)
…
 updated one month ago
 2 replies
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Mathematics

guest1234:
Consider the arc length of the curve
y = ln x on 1<= x <= 2.
…
 updated 2 months ago
 12 replies
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Mathematics

guest1234:
Find conditions on k∈ℝ so that the system of linear equations
x1+x2−x3=1
2x1+3x2+kx3=3…
 updated 2 months ago
 4 replies
 1 Medal
Mathematics

guest1234:
The 3×3 matrix A is transformed into I by the following elementary row operations
replace row 1 with row 1 + (4) row 3
…
 updated 2 months ago
 13 replies
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Mathematics

guest1234:
Solve the system of linear equations Ex=v for x with
matrices in comments
 updated 2 months ago
 4 replies
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Mathematics

guest1234:
How can i get my program to just print out numbers 1 to 5? For example if I put in a 12 it will take the 1 as an output. Code in comments
 updated 6 months ago
 14 replies
 1 Medal
Mathematics

guest1234:
Help!
A ball is projected upward at time t = 0.00 s, from a point on a roof 70 m above the ground and experiences negligible air resistance…
 updated 10 months ago
 1 reply
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Mathematics

guest1234:
Given the points P(3, 4, 4) and Q(7,1, 2) and the vector v=6i4j+3k find
a) the vector 2PQ+3v
…
 updated 11 months ago
 1 reply
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Mathematics

guest1234:
Help
Consider the function f(x)=ln(x2)…
 updated 11 months ago
 1 reply
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Mathematics

guest1234:
Use a Maclaurin series to approximate the integral (in comments) so that the abs(error)<10^10
 updated 11 months ago
 6 replies
 1 Medal
Mathematics

guest1234:
Find the radius of convergence and the interval of convergence of the series.
Series in comments
…
 updated one year ago
 8 replies
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Mathematics

guest1234:
Determine whether the series is absolutely convergent, conditionally convergent, or divergent.
series in comments
 updated one year ago
 12 replies
 1 Medal
Mathematics

guest1234:
Determine whether the series is absolutely convergent, conditionally convergent or divergent.
series in comments
…
 updated one year ago
 5 replies
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Mathematics

guest1234:
Help!
derivative of 2ln(sin(1/2x))
 updated one year ago
 22 replies
 1 Medal
Mathematics

guest1234:
Determine whether the geometric series is convergent or divergent.
106+3.62.16+...
…
 updated one year ago
 9 replies
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Mathematics

guest1234:
Determine whether the sequence converges or diverges. If it converges, find the limit.
Equation in comments
 updated one year ago
 22 replies
 2 Medals
Mathematics

guest1234:
Determine whether the sequence converges or diverges. If it converges, find the limit.
equation in comments
 updated one year ago
 3 replies
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Mathematics

guest1234:
Find the arc length of the polar curve r=1cos(theta) on the interval 0<or equal theta <or equal pi
 updated one year ago
 4 replies
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Mathematics

guest1234:
Consider the parametric equations
x=te^(2t) y=t^2e^(2t)
…
 updated one year ago
 5 replies
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Mathematics

guest1234:
Consider the parametric equations
x=cos t  sin t y=cos t + sin t
…
 updated one year ago
 7 replies
 1 Medal
Mathematics

guest1234:
Solve this initial value problem
 updated one year ago
 5 replies
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Mathematics

guest1234:
Find the general solution
 updated one year ago
 7 replies
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Mathematics

guest1234:
Find the general solution
 updated one year ago
 27 replies
 3 Medals
Mathematics

guest1234:
Solve the initial value problem
…
 updated one year ago
 18 replies
 1 Medal
Mathematics

guest1234:
Find the general solution of the DE equation in comments
 updated one year ago
 20 replies
 1 Medal
Mathematics

guest1234:
Evaluate the integral
in comments
 updated one year ago
 14 replies
 No Medals Yet
Mathematics

guest1234:
Find two unit vectors orthogonal to both (8, 5, 1) and (−1, 1, 0).
…
 updated one year ago
 17 replies
 2 Medals
Mathematics

guest1234:
Find, correct to the nearest degree, the three angles of the triangle with the given vertices.
A(1, 0, 1) B(2, 3, 0) C(1, 4, 4)
…
 updated one year ago
 1 reply
 1 Medal
Mathematics

guest1234:
Find a · b.
a = 9, b = sqrt(14), the angle between a and b is 45°
 updated one year ago
 15 replies
 1 Medal
Mathematics
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