Use Mathematical Induction to Solve for All Positive Integers N $4 + 8 + 12 + 16 + \ldots + 2 n = ?$

question 15

Multiple Choice

Use mathematical induction to solve for all positive integers n.​ $4 + 8 + 12 + 16 + \ldots + 2 n = ?$ ​

• A) \(( n + 3 ) n\)
• B) \(\frac { n ( n + 2 ) } { 2 }\)
• C) \(( n + 2 ) n\)
• D) \(\left( \frac { n ( n + 2 ) } { 2 } \right) ^ { 2 }\)
• E) \(\frac { n ( n + 1 ) ( n + 2 ) } { 6 }\)

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