integral exp ∫e^(mx)/(x^n) dx via Reduction formula

sum Find 1/1.4 + 1/4.7 +1/7.10+... +1/((3n-2)(3n+1))

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Solve the following differential equation cos^2(x)dy/dx +y = tan(x)

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AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx

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CBSE 2000 Hindustan: integral (1+tan(x))/(x+log(sec(x)) dx

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

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A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...

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2nd way: trig integral ∫sin(x/a) dx

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Review count Common mistake Rearrangement LOOT=4!/2 vs LULL NOT = 4!/3

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Sum/Difference of 2 EVEN function is EVEN

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alternate way: count sum 1 + 2 + 3+... + n via "polynomial"

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2nd way: integral ∫1/cos(ax/2) dx

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2 ways: exp integral ∫e^√x dx

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Why the mean of AP is the median of AP? mean=median?

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2 ways: derivative (ax+b)^n

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Add math: 3rd/3ways Core Auditorium is an amphitheater that has ..

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2nd/2 ways: Show 1+3+5+ ... +(2n-1) + (2n+1) + (2n-1)+...+5+3+1= n^2 + (n+1)^2

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2 ways of "counting" (a+b)^2 = a^2+2ab+b^2

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2nd way: derivative x^n w.r.t x^x

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prob stat OCR #8 The Normal variable X is transformed to the Normal variable Y. ...

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Find the number of different 8 letter arrangements that can be made from the letters of the word ..

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