2nd/3 ways: How many chords can be drawn through 21 points on a circle?

Let f(x) be a polynomial of degree 1. If f(10)-f(5)=15, then f(20)-f(5)=?

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RPET 2003 Hindustan: integral ∫sin^4(x)-cos^4(x) dx

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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

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Review: Linear form, Quadratic form & Bilinear form

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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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MP 2000 Hindustan: Evaluate ∫(tan(x)+cot(x))^2 dx

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JEE Main integral x^2/(a+bx)^2 dx

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prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.

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2nd/2parts stat: SLR Regression lline always goes through the point (x̄, ȳ)

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The “idiot app” that’s famous among students: Homework Help!

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What is the mode for the following set of n=8 scores? Scores: 2,4,4,5,7,8,8,8

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

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Stay stone-cold even when Mount Tai collapses before you: This split-second composure will have your

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3 ways: Find 1+2+3+ ... + n^2.

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2nd/3part: Maclaurin Series [ahp kia]

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Calculus: Find nth derivative of sin(ax+b)

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Discrete rv X has the following prob. distribution

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Fans Report: Watch Out for Gambling in Competitive Online Games!

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Eating Anything and Everything Will Only Hurt You

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2nd/2 ways: FInd partial fractions (3x^2+9x-20)/(x^2+x-6)

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