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Rishi

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 6 years, 5 months
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  • Last seen Sep 22 at 13:34

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8 How many different arrangements are there problem Sep 4 '15
7 Show determinant is non-negative Oct 1 '17
6 Finding the roots, with multiplicity, of a polynomial with compound angle formula Nov 30 '16
5 Condition for quartic polynomial coefficients given at least one real root Sep 17 '15
4 Finding Limit of Expression involving Recursive Sequence Sep 30 '17
4 Expectation of Minimum Value of 4 Distinct Integers from the Set $ \left\{1, 2, 3, \ldots, 47, 48 \right\}$. Apr 14 '18
4 six is the maximum number of common chords of a parabola and a circle Dec 1 '16
3 Find k such that two vectors are perpendicular Dec 4 '16
3 Does their exist a real continuous function other than $f(x)=0$ such that $f(2x) = -2f(x)$? Oct 3 '17
3 Evaluate $\lim_{n \to \infty} \sqrt{n}x_n$ with $x_{n+1}=x_{n} (1-x_{n}^2)$ Sep 29 '17
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