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Lamar U: Use log. differentiation to find the 1st derivative of the given function
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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"
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1st way: exp ∫(e^x)/x (1+x log(x)) dx
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2nd way: integral ∫ log √x(x^n) dx
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MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx
17 Views
AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx
Pantun Melayu [Buah cempedak di luar pagar]
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2nd/2parts stat: SLR Regression lline always goes through the point (x̄, ȳ)
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Sum of the first n integers 1+2+3+ ...+n=n/2 (1+n) via Induction
2nd way: ∫cos(x)/√(sin^2(x)+4sin(x)+3) dx
doneScreen Recording 2024-05-18 at 10.25.20 PM
1st/2 ways: integral ∫1/(x(x^n -1)) dx
prob stat: Consider the experiment of tossing a fair coin twice & reading the up face on each toss.
2nd way: derivative (x/a)^n/(n-1) + (y/b)^n/(n-1) = 1
U North Texas Integration Bee 2nd way: x^2/√(x-1) dx
Columbia U: 1st way integral ∫√(x^2-9)/x^4 dx
2nd way: ∫1/(√(x-α)(x-β)) dx
Conversion: Permutation - Combination vice versa
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prob stat: A candidate obtained the following results in her math examination:
2nd way: 1) ∫1/(a + √b x^2) dx vs 2) ∫1/(a + √b x^2) dx