Find the expected value & the std deviation in the number of '6's when 20 dice are rolled.

#5 MIT 2022 Integration Bee Qualifying Exam

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Pantun Melayu [Sorong papan tarik papan]

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2 ways: sq root derivative 1/(√√(1/√x))

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Bijection of elements in tn & a pair of elements of (n+1)

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Review Add Math: Show a^m a^n = a^(m+n) where m & n are any 2 positive integers

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Alternate way: trig integral ∫cot(x) csc^6(x) dx ... just in 1 line.

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3rd/4ways: trig derivative sin(x)

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trig integral ∫cos(ax+b)/e^sin(ax+b) dx

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Review: trig sin(x+90)= cos(x) & cos(x+90)=-sin(x)

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2nd/3ways: derivative (x+1)^(1/2) (x+2)^(1/3) (x+3)^(1/4) (x+4)^(1/5) (x+5)^(1/6)

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3ways: Find a formula for the sum 2+4+6+...+2n

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1st/2parts 3 ways: tn-1 + tn = n^2 where tn = nth triangular number

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Is 3x3 EVEN, ODD? Answer: ... depends ...

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Why aren’t there any female homeless people?

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This logo is just too cute for words.

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Número de Teléfono de Atención al Cliente de ⦗JetBlue®⦘ Guía Completa Paso a Paso 2026

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Número de Teléfono de Atención al Cliente de 〖JetBlue®〗Guía Completa Paso a Paso 2026

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In the forest, I shot a 16-year-old girl with a 100-megapixel medium-format camera—going it alone wi

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Shocking scenes of China as seen from Japan: Chinese masters blow trumpets with their ears

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Friends who’ve edited the map all know, right?

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