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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: derivative x^n w.r.t x^x
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CBSE 2000 Hindustan: integral (1+tan(x))/(x+log(sec(x)) dx
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Pantun Melayu [Sorong papan tarik papan]
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AI 2008 Hindustan 2nd/2 ways: Evaluate trig integral ∫2cos(x)/(3 sin^3(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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MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx
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MP 2000 Hindustan: Evaluate ∫(tan(x)+cot(x))^2 dx
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RPET 2003 Hindustan: integral ∫sin^4(x)-cos^4(x) dx
Screen Recording 2024-05-18 at 10.21.39 PM
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Screen Recording 2023-12-06 at 3.07.30 AM
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Find 1) E(X) 2) E(3X) 3) E(3x+2)
prob stat: For events A & B it is known that P(A)=P(B), P(AnB)=0.1 & P(AuB)=0.7. Find P(A')
Vandermonde's Identity
example Find 1+2+3+...+n via Pick's Theorem
Prove Σ1/((k-1)(k+1))=(3n^2-n-2)/(4n(n+1)) where k=2 to n ∀n ≥ 2
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Alternate way: ∫1/(x^2+a^2) dx
#16 MIT 2022 Integration Bee Qualifying Exam
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Screen Recording 2024-05-18 at 12.32.05 AM