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 9 Getting 2 different solutions to the integral of $\frac{dx}{2x}$ 2 problems to understand how to calculate $\lvert \overrightarrow u \cdot \overrightarrow v \rvert$ 2 Is it true that $\sin x \leq |x|$? How can I find more of these inequalities? 2 Variable power with negative irrational exponent, wrong result but why? 1 Minimum size of index of a proper subgroup of a finite, non-abelian simple group $G$

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 12 How do we show that the function which is its own derivative is exponential? 5 Double orthogonal complement of a finite dimensional subspace 1 Necessary conditions for a function to have an antiderivative

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 10 calculus × 5 1 derivatives × 2 4 inequality × 2 1 algebra-precalculus 2 vectors 1 proof-writing 2 irrational-numbers 1 proof-verification 2 exponentiation 1 group-actions

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