x uchun yechish
x=\frac{\sqrt{14}-1}{9}\approx 0,304628599
x=\frac{-\sqrt{14}-1}{9}\approx -0,526850821
Grafik
Viktorina
Polynomial
( 9 x + 1 ) ^ { 2 } = 14
Baham ko'rish
Klipbordga nusxa olish
9x+1=\sqrt{14} 9x+1=-\sqrt{14}
Tenglamaning ikkala tarafining kvadrat ildizini chiqarish.
9x+1-1=\sqrt{14}-1 9x+1-1=-\sqrt{14}-1
Tenglamaning ikkala tarafidan 1 ni ayirish.
9x=\sqrt{14}-1 9x=-\sqrt{14}-1
O‘zidan 1 ayirilsa 0 qoladi.
9x=\sqrt{14}-1
\sqrt{14} dan 1 ni ayirish.
9x=-\sqrt{14}-1
-\sqrt{14} dan 1 ni ayirish.
\frac{9x}{9}=\frac{\sqrt{14}-1}{9} \frac{9x}{9}=\frac{-\sqrt{14}-1}{9}
Ikki tarafini 9 ga bo‘ling.
x=\frac{\sqrt{14}-1}{9} x=\frac{-\sqrt{14}-1}{9}
9 ga bo'lish 9 ga ko'paytirishni bekor qiladi.
Misollar
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Chegaralar
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