Question

даны многочлены .....​

Answer 1

Ответ:

$M=4x^5+x^3y-5x^2y^2+4xy^3-y^6\\\\N=-7x^5+4x^3y+5x^2y^2+y^6\\\\K=x^5-2x^3y-2x^2y^2+5xy^3-2y^6\\\\\\M+N+K=-2x^5+3x^3y-2x^2y^2+9xy^3-2y^6\\\\\\M-N+K=12x^5-5x^3y-12x^2y^2+9x^3y-4y^6\\\\\\M-N-K=10x^5-x^3y-8x^2y^2-xy^3\\\\\\-M+N+K=-10x^5+x^3y+8x^2y^2+xy^3$