Rachel123
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 Questions Asked
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 Questions Asked
 9
 Questions Answered
 6
 Medals Received
 2
Questions Asked

Rachel123:
Find 1/(u^2+v^2) on terms of x and y
x=0.5(u^2v^2)
y=uv
 updated one year ago
 No Medals Yet
Mathematics

Rachel123:
What kind of critical point is this? (see graph below) The Hessian matrix has a determinant of 12x (would I be correct in saying that it is …
 updated one year ago
 No Medals Yet
Mathematics

Rachel123:
How to find the sum of k^2/k! from 0 to infinity?
 updated one year ago
 10 replies
 2 Medals
Mathematics

Rachel123:
How do I find the limit to a sequence an=r^n/n! ?
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

Rachel123:
Prove n^(1/n)>=1 for n=1,2.....?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Rachel123:
Does span(S1 intersect S2)=Span(S1) intersect Span(S2)?
 updated one year ago
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Mathematics

Rachel123:
Does span(S1 intersect S2)=Span(S1) intersect Span(S2)?
 updated one year ago
 5 replies
 1 Medal
Mathematics

Rachel123:
If I've found all roots to the equation x^8=1, how does that help me to write x^8+1 as the product of four quadratic factors?
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Rachel123:
In linear algebra, if you have
Span(S1) = {(0,1,0), (1,2,3)}
Span(S2)={(1,0,0),(0,0,1)}…
 updated one year ago
 5 replies
 1 Medal
Mathematics

Rachel123:
Hi, could someone please explain the solution given to question 4 in here: https://docs.google.com/viewer?a=v&q=cache:hnmAe62b8gJ:www.bmoc.…
 updated one year ago
 5 replies
 1 Medal
Mathematics