3rd/3ways: trig integral ∫sec(x) dx

review: prob stat Population variance vs sample variance

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logic: tautology (¬p→q)∧(¬p→¬q) →p

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Pantun Melayu [Pulau Pandan Jauh Ke Tengah]

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logic Idempotent law show x=xVx

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MP 98 Hindustan: Evaluate (i) ∫e^loge(x) dx (ii) ∫e^(-loge(x)) dx

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

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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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UC Davis #6: ∫ (2+tan(x))^2 dx

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logic: tautology p→q≡(¬q→¬p)

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3rd/10parts: Exclusive disjunction

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commutative: ab=ba via "picture"

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Alternate way: ∫(5+2x)/(x+x^4)dx

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count comb: How many subsets does {{{118},{{18,19,20,21,...,118}},{{{118}}} }} have?

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From the Weakest Hunter x Hunter to King of Humanity! Stand Up!

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logic: De Morgan's Law

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Do you know ... in tagalog?

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From Senior Brother to Daoist Brother: How Crushed Is Lei Wanhe When He Meets Han Li Again in “Immor

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

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rational function integral x/(x-√(x^2-1)) dx

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New Character Models from the Muran War Arc: The Muran Holy Maiden’s Model Is Absolutely Stunning!

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