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1) integral ∫ 1/(1+x^2) dx 2) integral ∫ e^x/(1+e^(2x)) dx 3) integral ∫ cos(x)/(1+sin^2(x)) dx
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Solve the following differential equation cos^2(x)dy/dx +y = tan(x)
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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"
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MP 98 Hindustan: Evaluate (i) ∫e^loge(x) dx (ii) ∫e^(-loge(x)) dx
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logic: tautology (¬p→q)∧(¬p→¬q) →p
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AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx
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Pantun Melayu [Sorong papan tarik papan]
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A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...
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Review: Arithmetic Series a+(a+d)+(a+2d)+...+(a+(n-1)d)=
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Lamar U: Use log. differentiation to find the 1st derivative of the given function
A bag contains 5 red balls & 3 green balls. A ball is selected at random &
Screen Recording 2024-05-12 at 8.34.35 PM
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example: Mean, Median & Mode
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Purdue U: 2 ways Evaluate ∫2/(x (x-1)) dx where x=3 to 4
picture "proof":Show Σk^2 = ΣΣmin(i,j) where i,j,k=1 to n
Screen Recording 2024-05-12 at 9.04.39 PM
1st way: Calculate integral ∫x^2 (x+1)^9 dx
AP Calculus: log ∫√x(√√x) da
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#10 2024 MIT Integration Bee Qualifying Exam