Rozwiąż równanie:a) ½x² = 9
b) 6x² - 1³₅ = 0
c) 12 - 3x² = 0
a) ½x² = 9 * 2
x² = 18
x = √ 18 = 3√ 2 albo -3√ 2
6x²= 1³₅ /6
x² = 8/30 = 4/15
x = √ 4/15 albo - √ 4/15
12= 3x² /3
4=x²
x=√ 4
x = 2 albo x = -2
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a) ½x² = 9 * 2
x² = 18
x = √ 18 = 3√ 2 albo -3√ 2
b) 6x² - 1³₅ = 0
6x²= 1³₅ /6
x² = 8/30 = 4/15
x = √ 4/15 albo - √ 4/15
c) 12 - 3x² = 0
12= 3x² /3
4=x²
x=√ 4
x = 2 albo x = -2