Chapter 4: Principle of Mathematical Induction

• Assume P(k) is true
• Prove P(1) is true
• Prove P(k+1)
• Find the pattern

Difficulty: Easy · Topic: PMI

• n²
• n(n+1)/2
• n(n-1)/2
• (n+1)/2

Difficulty: Easy · Topic: Sum Formulas

• n(n+1)(2n+1)/6
• n(n+1)/2
• n(n+1)/6
• n²(n+1)²/4

Difficulty: Easy-Medium · Topic: Principle of Mathematical Induction

• n³/3
• [n(n+1)/2]²
• n(n+1)(2n+1)/6
• n(n+1)/2

Difficulty: Easy-Medium · Topic: Principle of Mathematical Induction