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 8 Can the composite of two projections really fail to be a projection? 6 Evaluating this contour integral 5 Prove $k\binom{n}{k} = n\binom{n-1}{k-1}$ 5 Prove that (integer + non-integer) never equals an integer. 4 An example for conditional expectation

Reputation (1,245)

 +5 Derivative of principal value distribution $1/x^2$ is equal to finite part distribution $-1/x^2$? +25 Prove that (integer + non-integer) never equals an integer. +10 Evaluating this contour integral +5 Derivative of conditional expectation

Questions (34)

 4 Derivative of conditional expectation 4 Show that a polynomial is irreducible in $\mathbb{Q}$ 3 Showing that the polynomial is irreducible 3 How to prove these 2 fields are not isomorphic? 3 Asymptotic behavior of a sequence given by a recurrence relation

Tags (66)

 17 probability × 11 8 examples-counterexamples 13 probability-theory × 23 7 calculus × 7 10 integration × 3 7 combinatorics × 2 8 functional-analysis × 3 7 complex-analysis × 2 8 hilbert-spaces × 2 6 linear-algebra × 4

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