Espressioni Letterali

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  • Data: 20/02/2011
  • Di: Redazione StudentVille.it

$[(1/2x+2/3y+z)^2-(1/2+2/3y-z)^2+1/3yz]^2-3yz^2(4x+3y)$

esercizio svolto o teoria

A cura di: Alfredo Bochicchio

$[(1/2x+2/3y+z)^2-(1/2+2/3y-z)^2+1/3yz]^2-3yz^2(4x+3y)$

$[1/4x^2+4/9y^2+z^2+2/3xy+xz+4/3yz-1/2x^2-4/9y^2-z^2-2/3xy+xz+4/3yz+1/3yz]^2-12xyz^2-9y^2z^2$

$[2xz+3yz]^2-12xyz^2-9y^2z^2$

$4x^2z^2+12xyz^2+9y^2z^2-9y^2z^2-12xyz^2$

$rx^2z^2$