Question 8 Page 277 Hungerford Algebra
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No field properly between $\mathbb Q$ and $E$ iff $G(K/\mathbb Q) \cong A_4$ or $S_4$
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Spivak's Calculus - Exercise 4.a of 2nd chapter
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A problem on rank of $A$ and $\operatorname{adj}(A)$
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Hartshorne Exercise II. 3.19 (a)
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A polynomial sequence
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a linear algebra multiple choice problem
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Computing $\text{Gal}(\mathbb{Q}^{ab}/\mathbb{Q})$
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What can you say about $f$ and $g$ in the case that $fg$ is 1) Injective, 2) Surjective - Cohn - Classic Algebra Page 15
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Finding the dual basis for the space of polynomials of degree $\leq$ 2
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How to show that the ring $S/A$ has no zero divisors? (Hungerford, Algebra, Problem 12, Chapter III, Section 2)
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Polynomial degree 3 Equation
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Explaining the product of two ideals
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Prove that $a * b$ is a group (Hungerford, 2nd ed., sec $7.2$, Exercise $22$)
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Re:$ (a,b,c,d)=(pr+qs, qr-ps,pr-qs,ps+qr) $
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Finding $(a, b, c)$ with $ab-c$, $bc-a$, and $ca-b$ being powers of $2$
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algebra - matrices and polynoms
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Showing $[(fg)h]_n = [f(gh)_n]$ in the linear algebra $F^\infty$