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Jakými příkazy zjistíte řešení rovnice x 2 + x = 0 ?

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Jakými příkazy zjistíte řešení rovnice x² + x = 0 ?

p = [1, 1]; x = roots(p)

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a = 1;b = 1;c = 0; x(1) = (-b+sqrt(b.^2-4.*a.*c))/(2.*a); x(2) = (-b-sqrt(b.^2-4.*a.*c))/(2.*a);

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p = [1, 1, 0]; x = roots(p)

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p = [1, 0, 1]; x = roots(p)

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