Dada f(x,y) = 2x* ln(x²+ y²), assinale a alternativa correta
A) f(1,0)= 8
B) f(1,0)= e
C) f(1,0)= 2
D) f(1,0)= ln1
E) f(1,0)= 0
A) f(1,0)= 8
B) f(1,0)= e
C) f(1,0)= 2
D) f(1,0)= ln1
E) f(1,0)= 0
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f(x,y) = 2x.ln(x² + y²)
Basta substituir no ponto (1,0)
x = 1
y = 0
f(1,0) = 2.1.ln(1² + 0²)
f(1,0) = 2.ln(1)
ln(1) = 0
f(1,0) = 2.0
f(1,0) = 0 ← Letra E)