Math Problem Statement

Задание 12. Найдите корень уравнения:

  1. (1/5) ^ (x - 8) = 1/25 ) (1/2) ^ (4x - 16) = 1/16
  2. (1/4) ^ (4x - 13) = 1/64 ) (1/3) ^ (2x - 5) = (1/27) ^ (x + 7)
  3. (1/4) ^ (x + 9) = 1/64 ) (1/7) ^ (5x - 8) = 1/49 ) (1/3) ^ (2x - 19) = 1/27 ) (1/2) ^ (3 - 5x) = (1/16) ^ (1 - x)

Solution

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Math Problem Analysis

Mathematical Concepts

Exponential Functions
Equations with Exponents
Logarithms

Formulas

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Theorems

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Suitable Grade Level

Grades 10-12