Demonstrando uma igualdade

19/01/2010

 

Demonstrar que:

Demonstrate that:

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Resolução:

Solution:

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Escrevendo um número complexo na forma exponencial

24/11/2009

 

Calcule o valor de:

Calculate:

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Resolução:

Solution:

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Calculando a soma

14/11/2009

 

Determine o valor da soma:

Calculate the sum:

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Resolução:

Solution:

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Misturando P.G. com equações

14/11/2009

 

Determine o conjunto solução da equação:

Solve the following equation:

 

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Resolução:

Solution:

 

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Outra equação interessante

14/11/2009

 

Resolva em R+ a equação:

Solve the following equation in R+:

 

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Resolução:

Solution:

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Uma equação interessante

14/11/2009

 

Resolva a seguinte equação em R+:

Solve the following equation in R+:

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Resolução:

Solution:

Verifica-se inicialmente se 0 ou 1 são soluções da equação:

Initially, we need to check if 0 or 1 are roots of the equation:

 

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Uma equação irracional

11/11/2009

 

Resolver a equação:

Solve the equation:

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Resolução:

Solution:

 

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Resolvendo um sistema pelo método de Cramer

09/11/2009

Resolva o sistema abaixo usando o método de Cramer:

Solve the following system using Cramer’s method:

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Resolução:

Solution:

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Um sistema interessante

08/11/2009

 

Resolva o seguinte sistema:

Solve the following system:

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Resolução:

Solution:

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clip_image003[8]

 

clip_image002[4]clip_image003[10]

 

clip_image002[6]      clip_image003[14]

 

clip_image003[16]    clip_image003[18]

 

clip_image003[20]     clip_image003[22]

 

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clip_image003[36]      clip_image003[38]     clip_image003[40]

 

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Uma simples equação exponencial

08/11/2009

 

Resolver em R a equação:

Solve in R the equation:

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Resolução:

Solution:

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clip_image003[6]

 

 

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