
Home > A2C > Chapter 12 > Lesson 12.2.1 > Problem 12-93
12-93.
Prove the relationship is true for n = 1.
9 = (1)(2(1) + 7)
9 = 9
Assume that the relationship is true for some number k.
Prove that, if the relationship is true for k, then it is true for k + 1.