0.1^x=10

解答

0. 1^{x} = 10

x = - 1

求解步骤

0. 1^{x} = 10

(\frac{1}{10})^{x} = 10

使用指数运算法则

- x = 1

解

- x = 1 : x = - 1

x = - 1

so l v e f or n, (1 + i)^{n} = 32 i

2^{x} = 46

(e^{2})^{3 x} = e^{2 x} e^{3 x}

2^{x} = 30

e^{1 - 3 x} = 3 - 2 x