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Mathematics
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matthewninja
  • Member for 6 years, 11 months
  • Last seen more than 1 year ago
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Given that $3a^2 < 8b$, prove that the equation $x^4 + ax^3 + bx^2 + 2018x = 207$ has exactly two real roots.
May 10, 2018
question
3
Does $\sum_{k=1}^{\infty} \frac 1 {k^{1+\frac 1 k}} $ converge or diverge? [duplicate]
Aug 3, 2018
question
3
Does $\lim_{x\rightarrow0}\left(\frac{f(x) - f(0)}{x}\right) = \lim_{\frac{x}{3}\rightarrow0}\left(\frac{f(x) - f(0)}{x}\right)$?
Mar 11, 2019
question
3
If $\lim_{x\rightarrow0}\left(\frac{f(x) - f(0)}{x}\right) = 3$, does $\lim_{h\rightarrow0}\left(\frac{f(h(h+2)) - f(0)}{h(h+2)}\right) = 3$?
Mar 13, 2019
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Find the limit as $x$ approaches $9$ [closed]
Apr 15, 2018
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Optimization: A water line runs east-west. A town wants to connect two new housing developments to the line at a single point...
Apr 11, 2022
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Ex employer has not collected laptop or phone
6
Is it safe to wash your iPhone with soap and water?
5
What denomination should I issue my ERC20 token by?