Question

Marta simplified this expression.

In which step did she incorrectly apply a property of logarithms?

Answer 1

• Step 1

Explanation:

Marta made a mistake at step 1

• 4 log₅ x = log₅ 4x - wrong
• 4 log₅ x = log₅ x⁴ - correct

Property to be used

• a log b = log aᵇ