87.5k views
3 votes
Find the largest value of x that satisfies: log₂(x²) - log₂(x + 3) = 7x

User Cwschmidt
by
7.9k points

1 Answer

3 votes

Final answer:

To find the largest value of x that satisfies log₂(x²) - log₂(x + 3) = 7x, first combine the logs into a single logarithm and rewrite the equation as an exponential equation. Then, isolate x and use numerical methods or a graphing calculator to determine the value.

Step-by-step explanation:

We need to find the largest value of x that satisfies the equation: log₂(x²) - log₂(x + 3) = 7x.

First, apply the properties of logarithms to combine the logs into a single logarithm: log₂(x² / (x + 3)) = 7x.

By the definition of a logarithm, this equation can be rewritten as an exponential equation: x² / (x + 3) = 2^(7x).

Solve this equation for x by isolating x and then use numerical methods or a graphing calculator to find the largest value that satisfies the equation.

User Thomas Ludewig
by
8.2k points