5th/5ways: triangular num: Show t(n-1) + tn = n^2 where tn = nth triangular number

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logic Idempotent law show x=xVx

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MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx

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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

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trig Write each expression as an equivalent algebraic expression involving only x.

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Simplify the following statements using only the connectives ∧, ∨ and ¬

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prob stat a) Calculate the mean & the std deviation of 4 numbers 2,3,6,9

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2nd/2 parts: Mean 1+2+3+...+n is just (1+n)/2. Why?

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Lamar U 2nd way: evaluate trig integral ∫17(xe^x+e^x)sin(e^x)-14sin(x) dx

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A.D. Police To Protect and Serve [OVAE11] [ENGDUB]

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The Chinese-voiced Char is Coming (Char’s Arrival) — A Side-by-Side Comparison of the Japanese and O

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Prince of Tennis Episode 35 part 2

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integration bee 2014 UNSW: 4th way: e^x(cos(x)+sin(x)) dx

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3 ways: exp integral e^(2x)/(1+e^x) dx

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#7 2023: MIT Integration Bee Quali Exam: integral ∫x^3 sin(x^2) dx

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You’ve got your phone upside down!

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3 picture views of the sum ... 1+2+3+...+n

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#17 2020 MIT Integration Bee Quali Exam:

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