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Solve the following differential equation cos^2(x)dy/dx +y = tan(x)
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2 ways: sq root √x^x
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MPPET 1996 Hindustan: trig integral ∫ sin^2(x) -cos^2(x)/(sin^2(x) cos^2(x)) dx
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2nd way: integral ∫ log √x(x^n) dx
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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"
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2 ways: sq root derivative 1/(√√(1/√x))
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1st/2ways: Find the sum 1/7, 10/21, 17/21, 24/21, 31/21 via median.
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trig Write each expression as an equivalent algebraic expression involving only x.
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commutative: ab=ba via "picture"
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Iowa State U [Fall 2019]: integral Find the integral
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【No.238: Xiao Wusu】Feelings Are Everything—The "Collect All the Most Beautiful Girls Online" Project
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The "Deadly" Smell: Ethyl Mercaptan—How Did an Explosion That Killed Hundreds Turn This Odor into a
#12 2014 MIT Integration Bee Qualifying Exam
Could it be that there are 100,000 long-term residents in Japan who don't pay taxes?
Quickie: Find the value of 4009x3991
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If y=acos(ln(x)) + bsin(ln(x)), show that x^2y2 + xy1 +y=0
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3 ways: exp integral e^(2x)/(1+e^x) dx