### Home > PC > Chapter 9 > Lesson 9.1.2 > Problem 9-25

9-25.

Substitute 0 in for '*h*'. There is no division by zero or negatives under an even root or negatives in a log or any other mathematical problems.

9-25.

Substitute 0 in for '*h*'. There is no division by zero or negatives under an even root or negatives in a log or any other mathematical problems.