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Apr
11
revised Can some one help me parametrize $\frac{x^4}{a^4}+\frac{y^4}{b^4}+\frac{z^4}{c^4}=1$
deleted 8 characters in body
Mar
25
revised proving Pythagoras Theorem in the third dimension using orthogonal projection from a parallelogram
Added Latex markup
Feb
22
revised Confused with the notation/halfway done and need a little help
put in $$
Jan
31
revised How to check if a matrix is positive definite
added 1 character in body
May
14
revised Gaining Linear Algebra Intuition — Subspaces
Thought this tag may help clarify OP intent.
Feb
25
revised How To Generate Random Points on the Positive Side of a Plane in 3-D
added 594 characters in body
Feb
21
revised Find the ratio of the area inside the square but outside the circle to the area of the square in the figure.
deleted 18 characters in body
Feb
20
revised Double integral of a region.
second edit
Feb
20
revised Double integral of a region.
Fixed copy paste error
Feb
20
revised Double integral of a region.
Expanded answer.
Feb
13
revised Proving this inequality
clarified that the answer is a counter example.
Feb
6
revised Indefinite integral of secant cubed
Added LaTeX for equation.
Jan
25
revised Questions about Probability
Expanded answer based on comment.
Dec
10
revised Find $d$ of a plane equation
added 167 characters in body
Dec
10
revised Find $d$ of a plane equation
added 167 characters in body
Aug
29
revised The convex function proof.
Formatted formula in LaTeX
Jun
25
revised What is the column space in a $5\times 5$ invertible matrix?
added 2043 characters in body
May
23
revised Can you find the resultant force between these two vectors?
added 7 characters in body; edited body
Apr
22
revised Is the sum of two normal operators normal?
fixed latex
Apr
2
revised Why can't you flatten a sphere?
fixed typos