5^{3x-3}=1

解答

5^{3 x - 3} = 1

x = 1

求解步骤

5^{3 x - 3} = 1

使用指数运算法则

(3 x - 3) ln (5) = ln (1)

解

(3 x - 3) ln (5) = ln (1) : x = 1

x = 1

61 \frac{1}{3} = k 61

e^{2 x} - 3 e^{x} - 4 = 0

8^{2 x} = 4^{x + 2}

4^{2 x - 1} = 8^{x - 3}

(4^{3 - x})^{2 - x} = 1