Question

Dada a função f(x) = x^2 - 3x determine:

Answer 1

Resposta:

determine oque?

Answer 2

Resposta:

x² - 3x = 0

x = -(-3)±√(-3)²-4(1)(0)

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2 • 1

x = 3 ± √9

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2

x = 3 ± 3

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2

x' = 3+3

------- = 6/2 = 3

2

x" = 3-3/2 = 0/2 = 0