Question

Решите уравнение y²-2 целых 1/4 =0

Answer 1

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Answer 2

${y}^{2} - 2 \frac{1}{4} = 0 \\ \\ {y}^{2} - \frac{9}{4} = 0 \\ \\4 {y}^{2} - 9 = 0 \\ \\ 4 {y}^{2} = 9 \\ \\ y = \frac{3}{2} = 1.5 \\ y = - \frac{3}{2} = - 1.5$