Some Mathematics

d 2 =∣ x ⇀ 1-x ⇀ 0-( x ⇀ 2-x ⇀ 1)[ (x ⇀ 1-x ⇀ 0)⋅(x ⇀ 2-x ⇀ 1) ]∣ x ⇀ 2-x ⇀ 1 ∣ 2 ∣ 2

x + y 2 k + 1

a 0 + 1 a 1 + 1 a 2 + 1 a 3 + 1 a 4

Altra prova
∫ ∫ D dx dy
andrea
1- xeff ̂≠( ∫0∞ sin( x~) 1/e 3βdx )≠limx →∞1 x

ciao
∑ k = 1 7 x k k !

∫ 0 1 log 16 ( t ) 1 - t 2 ⁢ ⅆ t

d d x f ( x ) = lim h → 0 f ( x + h ) - f ( x ) h

TeX formatted

f ( x ) = ∑ n = 0 ∞ f ( n ) ( a ) n ! ( x - a ) n
g ( x ) = x 2
The quadratic formula is - b ± b 2 - 4 a c 2 a