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A. Goodier

MMath (Warwick), 2017.

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42
Justify, without evaluating, that the determinant of the following matrix is zero
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30
Prove that the equation has only one real root.
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21
Fun set theory for kids
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15
why is the intersection of two sets with no common element equal to the subset containing the empty set and not simply the empty set?
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10
Evaluate: $\lim\limits_{x \to \infty} (\sqrt{x+2}-\sqrt{x})$
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10
Let $a, b, c, d \in \mathbb R$. Given that $a^2 + c^2 = 1$, $b^2 + d^2 = 1$, and $ab + cd = 0$, show that $|ad - bc| = 1$.
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9
English names for vector beginning and end
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7
Order of a group given group presentation.
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7
How to solve a double quadratic inequality
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7
Prove that $\sqrt{n(n + 1)} \leq n + \frac{1}{2}$ for all $n \in \mathbb{N}$
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6
Courses equivalent to College Algebra in other countries?
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6
Binomial expansion of $(1+x)^{2n}$ and proof that $\binom{2n}{n} = \binom{n}{0}^2 + \binom{n}{1}^2 + \binom{n}{2}^2 + … + \binom{n}{n}^2$
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6
how to take the natural log of a product ($\prod$)
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6
How does $x+iy = (s+it)^n \implies x-iy = (s-it)^n,$ where $x, y, s, t\in\Bbb R?$
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6
integration of $2x^{2}3^{x^3}$
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6
How to remove square roots from denominator in $\frac{\sqrt{x}+\sqrt{y}}{\sqrt{x}-\sqrt{y}}$?
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6
What does this vector notation mean
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6
Why does $\ln(a)/\ln(b)$ equal $\log_b a$?
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6
Probability of student entering an university (problem)
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5
are there natural numbers $a,b$ such that $b=\frac{(a-2)}{(a-4)}$? (with $a>6$)
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5
Reference request for symplectic geometry.
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5
How to find the center of a circle from a point on it, and a tangent line.
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5
How do I parameterise $x^2-y^2+z^2=0$?
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5
How to prove that $\ln (N+1) - \ln (N) \geq \frac{1}{N+1}$
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5
Determine the value of $\frac{\sqrt[3]{4\sqrt[3]{4\sqrt[3]{4…}}}}{\sqrt{2\sqrt {2\sqrt{2…}}}}$
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5
Evaluating $\int\frac{\mathrm{d}u}{u\log u}$.
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