Question of the Day
Posted on13 Dec 2020
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Prove that p-series test from the integral test.
Question of the Day
Posted on12 Dec 2020
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The functions $h(x)$ and $g(x)$ are differentiable such that the derivative of $h$ is $h$ and the derivative of $g$ is $g$.... Read More
Question of the Day
Posted on11 Dec 2020
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Where (if anywhere) is the function $f(x)=x^3-3x^2+3x-1$ decreasing? Provide a sketch.
Question of the Day
Posted on10 Dec 2020
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Prove $e-1 \leq \int_{0}^{1} \left(1+x\right)^\frac{1}{2} e^x \leq \sqrt{2} \left(e-1\right) $
Question of the Day
Posted on09 Dec 2020
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If the function $f$ is less than the function $g$ over some interval $a$ to $b$ and both functions are Riemann Integrable... Read More
Question of the Day
Posted on08 Dec 2020
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If $a_n$ is a bounded monotonically increasing sequence prove then that $b_n = \frac{a_1 + \cdots + a_n}{n}$ is also bounded and... Read More
TIMSS Results
Posted on08 Dec 2020
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Two years ago this month I gave my opinion on the state of Mathematics education in Ireland. In my post I predicted... Read More
Question of the Day
Posted on07 Dec 2020
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Prove that a bounded monotone increasing sequence is convergent.
Question of the Day
Posted on06 Dec 2020
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Find the Taylor Series expansion of $\cosh x$ at the point $a=0$ and show that the remainder convergences to zero over $\left(-r,r\right)$... Read More
Question of the Day
Posted on05 Dec 2020
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For what values of rational $p$ and $q$ will $p\sqrt{2}+q\sqrt[3]{3}$ be rational? You may assume $\sqrt[3]{3}$ is irrational and of course $\sqrt{2}$... Read More