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2 ways: integral ∫(x-a)/(x+a) dx
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If sec(x+y)=xy then find dy/dx
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UC Davis #6: ∫ (2+tan(x))^2 dx
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2 ways: 𝖎𝖓𝖙𝖊𝖌𝖗𝖆𝖑 ∫3x/((x-2)(x+1)) dx
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2 ways: ∫ 1/(10x^2 -x-21) dx
Vandermonde's Identity
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Prove Σ1/((k-1)(k+1))=(3n^2-n-2)/(4n(n+1)) where k=2 to n ∀n ≥ 2
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derivative y=f(logb(arc tan(px+q))