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1st/2ways: 1+2+3+...+(n-1)+n+(n-1)+...+3+2+1 = n^2
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RPET 2003 Hindustan: integral ∫sin^4(x)-cos^4(x) dx
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Pantun Melayu [Pulau Pandan Jauh Ke Tengah]
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2 ways: trig integral ∫1/(2+cos^2(x)) dx
2nd way: trig integral ∫sec^(3/2)(x) tan^3(x) dx
UC Davis #1 2nd way: integral ∫1/(x^2-4) dx [integration by partial fraction]
Lamar U 2nd way: evaluate trig integral ∫csc(x/2) cot(x/2)(csc^6(x/2)+3csc^4(x/2)-8csc(x/2)) dx
Lamar U 2nd way: evaluate integral ∫1/(3x) + sec(9x)tan(9x)e^sec(9x) dx
2nd way: log sq rt integral ∫ln(x+1)/√(x+1) dx
Awesome performance! Xiao Zhan and Angela Chang's "Scream" - Koreans react [Reaction & Review] Ho-hi
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UC Davis #8: exp integral ∫e^x (1-e^x)(1+e^x)^10 dx
#2 2012 MIT Integration Bee Qualifying Exam
2 ways: integral ∫(x-a)/(x+a) dx
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If sec(x+y)=xy then find dy/dx
100 Tula Para Kay Stella (2017) - Full Movie
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April Fools' Day bonus! Beauty goddess Zhang Yuanying's "After LIKE" 4K direct shot 221126 MMA stage
"The Light in the Mud House" Ai's new song deeply satirizes: When courage shatters into glass candy
UC Davis #10: count prove Σi = n(n+1)/2 where i=1 to n
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【4K60fps】Lin Nayeon/NAYEON - ABCD(240728)
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UC Davis #6: ∫ (2+tan(x))^2 dx