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13h
awarded  Nice Answer
13h
revised What are the theorems in mathematics which can be proved using completely different ideas?
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13h
revised Integration of $\sec(x+2) \tan(x+2)/\sqrt{x+2} $
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16h
revised Find the centroid of the region under the graph of the function $ w(x) = 4.5 + a x^{3} $ between $ x = 0 $ and $ x = 5 $.
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16h
revised Finding value of a quadratic
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2d
revised Find the length of tangent $x$.
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2d
revised Finding Limit Using Taylor Polynomial
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2d
revised heat conduction problem
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2d
comment How I can express in a pure symbolic way common reasoning? Examples inside.
@Masacroso: ok, I stop here, let everyone with their opinion.
2d
comment How I can express in a pure symbolic way common reasoning? Examples inside.
@Masacroso: I saw that, but it says that TI is a consequence of CS, not that they are the same.
2d
comment How I can express in a pure symbolic way common reasoning? Examples inside.
@Masacroso: I don't think so, can you give me a reference?
2d
comment How I can express in a pure symbolic way common reasoning? Examples inside.
By the way, that is the Cauchy-Schwarz inequality, not the triangular inequality.
May
19
revised Find all of the equilibrium points and describe the behavior of the $x' = \sin(x), y' = \cos(y) $.
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May
19
revised Examples of $\lim_{m \to \infty} \int_0^m f(x)dx$ exists but $\lim_{m \to \infty} \int_0^m |f(x)|dx$ doesn't exist?
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May
19
revised Find where the quadratic $x^2-2x-3 =0$ and use this to show that the sequence ($x_n$) is strictly increasing.
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May
17
revised Find the radius of convergence of a power series.
added 16 characters in body; edited title
May
17
revised Arc length in curvilinear coordinates - reference request
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May
17
answered Checking vectors for subspaces in $\mathbb{R}^3$ space.
May
17
reviewed Approve Eigenvalues & eigenvectors of a specific product of three matrices
May
17
reviewed Approve How would I make a graph for $\sqrt{x+1}-3$