Mathlete

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48 Questions

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3	Probability density function of $W = X + Y$ where $X \sim \mathrm{Unif}[0,1]$ and $Y \sim \mathrm{Exp}(\lambda)$ are independent random variables?
3	Prove that if $\mathrm{rank}(A) < n$ then $\det(A) = 0$?
2	Find a basis for $\mathbb{R}^4$ containing two vectors that form a basis for the null space of the given matrix A
2	Find the perpendicular distance between a point and a line?
2	Simplify these products of permutations

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399 Reputation

+15	Probability density function of $W = X + Y$ where $X \sim \mathrm{Unif}[0,1]$ and $Y \sim \mathrm{Exp}(\lambda)$ are independent random variables?
+5	How can one define the trace of a linear operator on any finite dimensional vector space, using the fact that $tr(A) = tr(P^{-1}AP)$?
+5	Use the Mean Value Theorem to prove the Binomial Inequality?
+5	Initial Value Problems?

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42 Tags

0 linear-algebra × 13	0 probability × 4
0 sequences-and-series × 11	0 probability-distributions × 4
0 analysis × 11	0 limit × 4
0 matrices × 8	0 functions × 4
0 group-theory × 5	0 statistics × 4

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3 Accounts

$Mathematics Stack Exchange$	Mathematics	399 rep	7
	Cross Validated	161 rep	6
	Stack Overflow	130 rep	6

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