Questions: Use algebraic procedures to find the exact solution [ left(frac52right)^x=frac1258 ]

Use algebraic procedures to find the exact solution
[
left(frac52right)^x=frac1258
]
Transcript text: Use algebraic procedures to find the exact solution \[ \left(\frac{5}{2}\right)^{x}=\frac{125}{8} \]
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Solution

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Solution Steps

To solve the equation \(\left(\frac{5}{2}\right)^{x}=\frac{125}{8}\), we can use logarithms to isolate \(x\). By taking the natural logarithm (or any logarithm) on both sides, we can then solve for \(x\).

Step 1: Rewrite the Equation

We start with the equation: \[ \left(\frac{5}{2}\right)^{x} = \frac{125}{8} \]

Step 2: Express the Right Side in Terms of the Base

We can express \(\frac{125}{8}\) as: \[ \frac{125}{8} = \frac{5^3}{2^3} = \left(\frac{5}{2}\right)^{3} \]

Step 3: Set the Exponents Equal

Since the bases are the same, we can set the exponents equal to each other: \[ x = 3 \]

Final Answer

Thus, the solution to the equation is: \[ \boxed{x = 3} \]

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