Question

escreva o dominio das seguintes funçoes (a) f(x,y)=x^+2xy-1 (b) f(x,y..z)=x+y-2z

Answer 1

a) F(x,y) = x+2xy-1
S={x,y ∈ R}

b) F(x,y,z) = x+y-2z
S={x,y,z ∈ R}