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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

25 ViewsAug 1, 2023

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Solve the following differential equation cos^2(x)dy/dx +y = tan(x)
4:59

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

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π•Œβ„π•Š; EʟΙͺᴛᴇ NIS Aɒᴇɴᴛ - πΈπ‘π‘–π‘ π‘œπ‘‘π‘’ 13 [π‘‡π‘Žπ‘”π‘Žπ‘™π‘œπ‘” 𝐷𝑒𝑏𝑏𝑒𝑑]
35:08

π•Œβ„π•Š; EʟΙͺᴛᴇ NIS Aɒᴇɴᴛ - πΈπ‘π‘–π‘ π‘œπ‘‘π‘’ 13 [π‘‡π‘Žπ‘”π‘Žπ‘™π‘œπ‘” 𝐷𝑒𝑏𝑏𝑒𝑑]

jjkjeontime_97jjkjeontime_97

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Example: Find the sum
2:14

Example: Find the sum

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AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx
0:56

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

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

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Swinburne U 2nd way: e^(-e^x) e^x dx
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Swinburne U 2nd way: e^(-e^x) e^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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A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...

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exp Differentiate (i) b^e^x (ii) b^x&e (iii) (b^e)^x (iv) (b^x)^e
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exp Differentiate (i) b^e^x (ii) b^x&e (iii) (b^e)^x (iv) (b^x)^e

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STPM Math T Sem. 2: Ex 11.2 Given that f(x)=tan(x), show that ...
14:46

STPM Math T Sem. 2: Ex 11.2 Given that f(x)=tan(x), show that ...

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Princeton U: Compute the integral ∫sin^5(x)/cos(x) dx
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Princeton U: Compute the integral ∫sin^5(x)/cos(x) dx

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Always ZERO
3:42

Always ZERO

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Screen Recording 2024-05-10 at 6.17.33 PM
1:34

Screen Recording 2024-05-10 at 6.17.33 PM

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Diff Eq: Solve sec(x) dy/dx=y+sin(x) via Integrating factor [IF]
3:51

Diff Eq: Solve sec(x) dy/dx=y+sin(x) via Integrating factor [IF]

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3 picture views of the sum ... 1+2+3+...+n
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3 picture views of the sum ... 1+2+3+...+n

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"baby" fact: exp e^(ix)
2:25

"baby" fact: exp e^(ix)

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prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.
3:36

prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.

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3 ways: sum Show 1+3+5+...nth term = n^2
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3 ways: sum Show 1+3+5+...nth term = n^2

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Solve the differential equation xcos^2(y) dx + tan(y) dy=0
1:43

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

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exp trig derivative x^x sin(x)
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exp trig derivative x^x sin(x)

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2nd way: integral ∫1/x log mb(x) dx
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2nd way: integral ∫1/x log mb(x) dx

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