Question

determine quais sao as raizes da equaçao 3/2x.x-3rq2x-9=0

Answer 1

Oi Rafa

3x²/2 - 3√2x - 9 = 0

x²/2 - √2x - 3 = 0

x² - 2√2x - 6 = 0

delta
d² = 8 + 24 = 32
d = 4√2

x1 = (2√2 + 4√2)/2 = 3√2
x2 = (2√2 - 4√2)/2 = -√2

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