Math Problem Statement
Assinale a alternativa que determina corretamente o calculo do limite lim(x,y)→(0,0)xyx2+y2 Questão 3Escolha uma opção: a. ⎧⎩⎨⎪⎪⎪⎪⎪⎪para a curva x=y⇒lim(x,x)→(0,0)xyx2+y2=lim(x,x)→(0,0)2xx2+x2=1/2para a curva x=0⇒lim(0,y)→(0,0)xyx2+y2=lim(0,y)→(0,0)0y02−y2=0 b. ⎧⎩⎨⎪⎪⎪⎪⎪⎪para a curva x=y⇒lim(x,x)→(0,0)xyx2+y2=lim(x,0)→(0,0)x2x2+x2=1/2para a curva x=0⇒lim(0,y)→(0,0)xyx2+y2=lim(0,0)→(0,0)0y02+y2=0 c. ⎧⎩⎨⎪⎪⎪⎪⎪⎪para a curva x=y⇒lim(x,x)→(0,0)xyx2+y2=lim(x,x)→(0,0)x2x2+x2=1/2para a curva x=0⇒lim(0,y)→(0,0)xyx2+y2=lim(0,y)→(0,0)0y02+y2=0 d. ⎧⎩⎨⎪⎪⎪⎪⎪⎪para a curva x=y⇒lim(0,x)→(0,0)xyx2+y2=lim(x,x)→(0,0)x2x2+y2=1/2para a curva x=0⇒lim(0,y)→(0,0)xyx2+y2=lim(0,y)→(0,0)0yy2+y2=0 e. ⎧⎩⎨⎪⎪⎪⎪⎪⎪para a curva x=y⇒lim(x,x)→(0,0)xyx2+y2=lim(x,x)→(0,0)x2x2+x2=1/2para a curva x=0⇒lim(0,y)→(0,0)xyx2+y2=lim(0,y)→(0,0)xy02+y=0
Solution
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Math Problem Analysis
Mathematical Concepts
Calculus
Multivariable Limits
Limit Analysis in Two Variables
Formulas
lim_{(x,y) \to (0,0)} \frac{xy}{x^2 + y^2}
Curve substitution: x = y and x = 0
Theorems
Limit Theorem for Multivariable Functions
Method of Curves for Two-Variable Limit Analysis
Suitable Grade Level
Undergraduate (Calculus I or Multivariable Calculus)
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