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3 ways: If y=x/(1+x^2) find dy/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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logic Idempotent law show x=xVx
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Pantun Melayu [Buah cempedak di luar pagar]
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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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1st/3parts: Checkpoint 1.1 STPM Math T Sem2
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2nd example: Find the sum -0.31, -0.19, -0.07, 0.05, 0.17, 0.29 via median
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diff eq: Solve dy/dx = (2y4x^4)/(xy^3) ❌separable to ✅separable
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2 ways: diff eq Solve dy/dx=y-1
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2nd/2ways: Find the sum 1/7, 10/21, 17/21, 24/21, 31/21 via "picture".
2nd/2ways: trig Evaluate (sin^6(x) + cos^6(x))/(sin^2(x) cos^2(x)) dx
3rd/3ways: derivative (x+1)^(1/2) (x+2)^(1/3) (x+3)^(1/4) (x+4)^(1/5) (x+5)^(1/6)
3rd/3 parts: Growing patterns
1st/3 ways: Show 1+2+3+...+n=n(1+n)/2 via picture
When a die was thrown the scores was an odd #. What is the prob. that it was a prime #?
3 ways: exp trig Differentiate the function a^sin(√x)
2nd part/3parts: Mean of -11,-2,7,...,70 SAME as Mean -11 & 70
U Penn: Show that the following decomposition CANNOT hold ...
Ex11.6 STPM Math T Sem.2 Find the fir st 4 terms in the expansion of the following functions
JHU: sq root integral ∫e^√x dx
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