♾️ap calculus ab/bc review

Natural logarithm

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

The natural logarithm function, denoted as ln(x) or loge(x), is the inverse function of exponential growth where e (approximately equal to 2.71828) is raised to the power needed to obtain x. It is commonly used in calculus and has various applications in mathematics and science.

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