y uchun yechish
y=\frac{\sqrt{2}-4}{2}\approx -1,292893219
Grafik
Baham ko'rish
Klipbordga nusxa olish
-2y=4-\sqrt{2}
Ikkala tarafdan \sqrt{2} ni ayirish.
\frac{-2y}{-2}=\frac{4-\sqrt{2}}{-2}
Ikki tarafini -2 ga bo‘ling.
y=\frac{4-\sqrt{2}}{-2}
-2 ga bo'lish -2 ga ko'paytirishni bekor qiladi.
y=\frac{\sqrt{2}}{2}-2
4-\sqrt{2} ni -2 ga bo'lish.
Misollar
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Chegaralar
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