Mathematics
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Martund
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Score Newest
answer
14
How to prove $\sqrt {75025} + \sqrt {121393} + \sqrt {196418} + \sqrt{317811} \approx \sqrt {514229} + \sqrt {832040}$?
Jun 27, 2021
answer
11
solutions of $a+b=c^2 , a^2+c^2=b^2$ ; $a,b,c$ are natural numbers
Dec 20, 2019
answer
10
Prove $\sin(x)^3+\cos(x)^3 \leq 1$
Jan 2, 2020
answer
9
If $\lim \limits_{x \to 1} \frac{f(x)+2}{x-1} = 3$, compute: $\lim \limits_{x \to -1} \frac{(f(-x))^2-4}{x^2-1}$
Aug 4, 2019
answer
9
What Is Bigger $\frac{3}{e}$ or $\ln(3)$
Jun 29, 2020
answer
8
Finding the minimum value.
Dec 8, 2018
answer
8
The number of real roots of the equation $e^x+e^{-x}=2\sin(x^3)$
Apr 4, 2019
answer
8
Solving the integrand $\frac{x^3}{\sqrt{x^2+10x+16}}$
Dec 24, 2019
answer
8
Finding the remainder when $5^{55}+3^{55}$ is divided by $16$
Dec 28, 2019
answer
8
Why did Spivak choose this definitions? ("Calculus on Manifolds", the definition of the norm, the definition of open sets)
Jun 9, 2020
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8
Prove that Kurtosis is at least one more than the square of the skewness
8
Sign of product of standard normal random variables
5
Can you cross the bridge?
5
How to show that $\left|\left|E\left[\frac{x-X}{||x-X||}\right]\right|\right|\xrightarrow{||x||\to\infty}1$ for a multivariate distribution?

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