Odpowiedź:
x-y = 4 i xy = 2 x³-y³ = (x-y) * (x²+xy+y²) = (x-y) * [(x²-2xy+y²)-3xy] = (x-y) * [(x-y)²+3*xy)] = 4 * [(4²+3*2] = 4*[16+6]=4*22=88
Szczegółowe wyjaśnienie:
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Odpowiedź:
x-y = 4 i xy = 2 x³-y³ = (x-y) * (x²+xy+y²) = (x-y) * [(x²-2xy+y²)-3xy] = (x-y) * [(x-y)²+3*xy)] = 4 * [(4²+3*2] = 4*[16+6]=4*22=88
Szczegółowe wyjaśnienie: