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

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derivative If y=e^(a arc sin(x)), prove that (1-x^2)y2 - xy1 = a^2y.

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derivative If y=e^(a arc sin(x)), prove that (1-x^2)y2 - xy1 = a^2y.

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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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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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2nd way: integral ∫ log √x(x^n) dx

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

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

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trig Write each expression as an equivalent algebraic expression involving only x.

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trig Write each expression as an equivalent algebraic expression involving only x.

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integral ∫ x dx withOUT using Power rule.

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integral ∫ x dx withOUT using Power rule.

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2 ways: sq root derivative 1/(√√(1/√x))

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2 ways: sq root derivative 1/(√√(1/√x))

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When a die was thrown the scores was an odd #. What is the prob. that it was a prime #?

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When a die was thrown the scores was an odd #. What is the prob. that it was a prime #?

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trig integral sin(x+sin(x))-sin(x-sin(x)) dx

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trig integral sin(x+sin(x))-sin(x-sin(x)) dx

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Find the mean of the data given in the freq. distribution below ...

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Find the mean of the data given in the freq. distribution below ...

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logic: Simplify the Boolean function F=AB+BC+B'C

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logic: Simplify the Boolean function F=AB+BC+B'C

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Solve the differential equation xcos^2(y) dx + tan(y) dy=0

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Solve the differential equation xcos^2(y) dx + tan(y) dy=0

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Lamar U 2nd way: evaluate trig log sq rt integral ∫sin(1+ln(2x))-√(1+ln(2x))/x dx

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Lamar U 2nd way: evaluate trig log sq rt integral ∫sin(1+ln(2x))-√(1+ln(2x))/x dx

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#1 2019 MIT Integration Bee Final

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#1 2019 MIT Integration Bee Final

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Given events J & K:

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Given events J & K:

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2nd/2 ways: MIT Integration Bee Final

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2nd/2 ways: MIT Integration Bee Final

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Attention, Gaokao candidates! Listen to Chen Duling talk about the core of the Aerospace Vehicle Man

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Attention, Gaokao candidates! Listen to Chen Duling talk about the core of the Aerospace Vehicle Man

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Find the mean 118,50,84,67,101 withOUT calculation. Support your answer.

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Find the mean 118,50,84,67,101 withOUT calculation. Support your answer.

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Evaluate lim (e^x -1)/x^2 where x tends to 0

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Evaluate lim (e^x -1)/x^2 where x tends to 0

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Find the number of permutations of the letters of the word ALLAHABAD

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Find the number of permutations of the letters of the word ALLAHABAD

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