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Solve the following differential equation cos^2(x)dy/dx +y = tan(x)
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commutative: ab=ba via "picture"
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lim x/e^x? as x→∞
2 ways: sq root derivative 1/(√√(1/√x))
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2nd way: integral ∫ log √x(x^n) dx
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Penn. State U: Suppose the p.m.f of discrete random variable X is ...
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Sum of Square vs Square of Sum
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DemonSlayer: Time Past By Quickly If You're Happy
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logic: Show p→q ≡¬ p∨q
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Tongue 𝙙𝙚𝙫𝙞𝙖𝙩𝙞𝙤𝙣 𝙖𝙣𝙜𝙡𝙚 as the warning sign of a 🆂🆃🆁🅾🅺🅴
1st/2ways: logic Import-Export
2 ways: trig integral ∫tan^3(x) sec^2(x) dx
trig integral cos^2(x) sin(x) dx
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2nd/2ways: count perm Show P(n,n)=P(n,n-1)
trig integral Find cos^2(x) sin(x) dx
2nd Alt. way: log Taylor series of ln(sec(x)) withOUT Taylor series explicitly
Variance measured in the squares of the units for the observations.
2nd way: trig Evaluate 𝖎𝖓𝖙𝖊𝖌𝖗𝖆𝖑 ∫ sin^3(x)/√cos(x) dx
Penn State U: proc & stat Suppose the random variable X follows the uniform distribution...
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Lamar U 2nd way: evaluate exp integral ∫e^(2x)/(1+e^(2x)) dx