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Um baralho comum é composto por 52 cartas, divididas igualmente entre os quatro naipes (Espadas, Copas, Ouros e Paus). Qual é a probabilidade de ela ser uma carta de Copas?

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Leia o trecho a seguir:

A função da derivada parcial em relação a um valor x_i é a derivada de f em relação a x_i uma vez que admitamos todas as outras variáveis como constantes.

Considere a função: f(x,y,z) = 3x + 5y. Derivadas parciais, ao calcular as derivadas parciais da função acima, obtemos:

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