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2 ways: integral ∫(x-a)/(x+a) dx
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2nd way: integral ∫ log √x(x^n) dx
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AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx
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2nd/3ways: trig integral ∫sec(x) dx
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2 ways: sq root derivative 1/(√√(1/√x))
Solve the following differential equation cos^2(x)dy/dx +y = tan(x)
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Lamar U: trig integral ∫cos^5(2t) sin^2(2t) dt
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alternate way: count sum 1+2+3+ ... +n
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matrix product: AB=0 where A≠0 & B≠0
Review: trig tan(x+360)= tan(x) & tan(x+180)=tan(x)
Calculus: Find nth derivative of log(ax+b)
Prove Σ1/((k-1)(k+1))=(3n^2-n-2)/(4n(n+1)) where k=2 to n ∀n ≥ 2
AP Calculus 2nd way: integral ∫(ax+c)/(ax^2 + bx) dx
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integral ∫x^(n-1)/(1+x^n) dx
2 ways: Σ 1? where k=m to n
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count comb: values nCn, nC(n-1), nC(n-2)
pascal triangle: count comb Show nCk = (n-1)Ck + (n-1)C(k-1)
3rd/3ways: count comb A set with n elements has 2^n subsets
Just Spoil You [Episode 12] Urdu Hindi Dubbed | Chinese Drama | Dyar Entertainment
2nd/2 way: trig show sin(2x)=2tan(x)/(1+tan^2(x))=2cot(x)/(1+cot^2(x))