n^2=36

解答

n^{2} = 36

n = 6, n = - 6

求解步骤

n^{2} = 36

对于

x^{2} = f (a)

解为

x = f (a), - f (a)

n = 36, n = - 36

36 = 6

- 36 = - 6

n = 6, n = - 6

f a c t or y^{3} - x^{3}

\frac{2 x + 3}{6} + \frac{2 x - 1}{4} = x

s im pl i f y 1 - \frac{2}{2}

f = 4 (0)^{2} + 4 (0) - 2

x^{4} \geq x^{2}