High School

What is the solution of \(\log_2 x - 3125 = 3\)?

A. \(x = \frac{1}{3}\)
B. \(x = 1\)
C. \(x = \frac{7}{3}\)
D. \(x = 4\)

Answer :

Final answer:

The solution of logarithmic equations log2x − 3125 = 3 is x = 2^3128.

Explanation:

To solve the equation log2x3125 = 3, we will follow these steps:

  1. Add 3125 to both sides of the equation to isolate the logarithmic term: log2x = 3125 + 3 = 3128.
  2. Apply the inverse operation of the logarithm, which is exponentiation, to both sides of the equation. Since the base of the logarithm is 2, we will raise 2 to the power of both sides: 2^(log2x) = 2^3128.
  3. By applying the inverse operation, the logarithm and exponentiation cancel each other out, leaving us with x on the left side: x = 2^3128.
  4. Finally, we can use a calculator or computer software to evaluate 2^3128, which gives us the solution for x.

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