### Home > A2C > Chapter 12 > Lesson 12.3.1 > Problem 12-137

12-137.

Prove

Verify that it is true for *n* = 1.

Assume that the identity is true for some arbitrary number .

Prove that given the above assumption, the identity holds true for

12-137.

Prove

Verify that it is true for *n* = 1.

Assume that the identity is true for some arbitrary number .

Prove that given the above assumption, the identity holds true for