Find a basis for the subspace of R4 spanned by S.
S = {(2, 9, −2, 53), (−5, 2, 5, −2), (8, −5, −8, 17), (0, −5, 0, 15)}
(d^2-6d+13)y=0
|3+2x|=17
[ ($2^{2n}$ -3) ($2^{2n-2}$ )( $3^{n}$ -2)( $3^{n-2}$ )] / $3^{n-4}$ ( $4^{n+3}$ - $2^{2n}$ )
in how many ways can you distribute n pennies to k children if each child is supposed to get at least 2?permutation and combinatio...
|3x-6|=12
resuelve el sistema de ecuaciones mixto
f(x)= 1/4x -1
f(x)= $1x^{2}$-1x-(3/4)
0.05*0.67
|2x-1|=-5