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Mathematics
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RatherAmusing
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3
Determine if $\mathbb Q (\root4 \of 5i,\sqrt3)$ is a normal extension of $\mathbb Q$.
Jun 25
3
Unique $p$-Sylow subgroup of Dihedral group $D_n$.
Jun 11, 2023
2
Differential of $h(x) = \Vert x \Vert ^4$
Feb 12, 2023
2
Line integral equals zero because the vector field and the curve are perpendicular.
Jun 4, 2023
2
Difference between "regular" convolution and circular convolution.
Jun 14, 2023
2
Generators contained in another subgroup generated by a subset.
Jun 20, 2023
2
Derivative of integral of function over n-sphere is the flux outwards - step in proof involving partition of unity.
Aug 1, 2023
1
Finding the fixed field corresponding to Galois group $\textrm {Gal} (\mathbb Q (\root p \of 2, \zeta_p)$ for prime $p$.
Jun 26
1
Galois group of splitting field of $x^3-5$ over $\mathbb F _7$
Jun 10
1
Find the closest point on a plane to a general point using isometry.
Dec 11, 2022