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Bijection of elements in tn & a pair of elements of (n+1)
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2nd way: derivative (x^x)^x
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Pantun Melayu [Buah cempedak di luar pagar]
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lim x/e^x? as x→∞
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2 ways: sq root derivative 1/(√√(1/√x))
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integral ∫√(x-a)/x dx
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2 ways: integral ∫x/(x+a) dx
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Let f(x,y)=4-2xx^2-y^2. Find the slope of the tangent line at the point (1,1,1) on the curve formed
Alternate way: trig integral ∫cos(x) dx
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4 ways: sum Find the sum of the values of 4+3i for i=1,2,...,100
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3rd/3ways: trig integral ∫sec(x) dx
3 ways: sq root ∫√(1-x) dx
1st/2 ways: integral ∫1/(x(x^n -1)) dx
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trig Prove each identity ... 1) to 10)
2nd way: trig integral (3-tan^2(x))/(cot(x)-3tan(x)) dx
3 ways: derivative e^y=x
Integral arc cos(cos^2(x)-sin^2(x)) dx
Columbia U: 6th/6 ways Evaluate the indefinite integral ∫1/(1+e^x) dx
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Find the number of permutations of the letters of the word ALLAHABAD