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

It's okay if you can't understand.

kongdangjizhongying

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

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

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

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

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Documentary Commentary: A COVID Survivor's True Story: Lost Forty Pounds, Severely Damaged Physicall

suwenshipin

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Review: Arithmetic Series a+(a+d)+(a+2d)+...+(a+(n-1)d)=

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review: When to use ... Sum of A.P n/2(a+l) vs n/2(2a+(n-1)d)

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

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prob stat: The p.d.f of a discrete r.v. Y is given by P(Y=y)=cy^2 for y=0,1,2,3,4.

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"Recommended only for you, who are interesting and not careless."

brice_ho

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After a boy urinates, why doesn’t he use a tissue to wipe?

dongdongdongmu

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prob stat: A group consists of 4 girls & 7 boys. In how many ways can a team of 5 members ...

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Xiang Shang's carving skills are truly impressive—Honor 90 [the 94th phone in the 6GHz standalone re

6ghz

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Screen Recording 2024-02-22 at 10.18.05 PM

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1st way: Calculate integral ∫x^2 (x+1)^9 dx

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Lamar U: Use log. differentiation to find the 1st derivative of the given function

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If y=a e^(mx) + b e^(-mx), show that y2=m^2y

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