Variability or spread of a distribution. Whey we need it!

Let f(x) be a polynomial of degree 1. If f(10)-f(5)=15, then f(20)-f(5)=?

118blbl118

5 วิว

A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...

118blbl118

11 วิว

2nd way: integral ∫ log √x(x^n) dx

118blbl118

65 วิว

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

118blbl118

23 วิว

1st way: exp ∫(e^x)/x (1+x log(x)) dx

118blbl118

22 วิว

Do you know ... in tagalog?

118blbl118

2 วิว

alternate way: count sum 1 + 2 + 3+... + n via "polynomial"

118blbl118

4 วิว

U North Texas Integration Bee 2nd way: x^2/√(x-1) dx

118blbl118

1 วิว

MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx

118blbl118

17 วิว

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

118blbl118

23 วิว

prpob stat A bag contains 5 black balls 6 red balls. Determine the number of ways in which ...

118blbl118

1 วิว

Pantun Melayu [Buah cempedak di luar pagar]

118blbl118

19 วิว

2nd way: trig Evaluate 𝖎𝖓𝖙𝖊𝖌𝖗𝖆𝖑 ∫sec^4(x)/tan(x) dx

118blbl118

2 วิว

impIicit diff f x^y=y^x, find dy/dx at (2,4)

118blbl118

0 วิว

2 ways: Determine the derivative of (ax+b)^n

118blbl118

1 วิว

If pv^a=C (where a & C are constant) find dv/dp & d2v/dp2

118blbl118

0 วิว

2 ways: exp derivative ln(e^(x+1/x))

118blbl118

0 วิว

2 ways: log exp derivative ln(x) e^(2ln(x))

118blbl118

0 วิว

1st way: trig derivative (sin(x))^x

118blbl118

0 วิว

Example: Find the sum

118blbl118

4 วิว