Use mathematical induction to prove the given statement for all positive integers n.
-$$1 \cdot 4 + 2 \cdot 7 + 3 \cdot 10 + \ldots + n ( 3 n + 1 ) = n ( n + 1 ) ^ { 2 }$$

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The Answer of Use mathematical induction to prove the given statement for all positive integers n.
-$$1 \cdot 4 + 2 \cdot 7 + 3 \cdot 10 + \ldots + n ( 3 n + 1 ) = n ( n + 1 ) ^ { 2 }$$

Use Mathematical Induction to Prove the Given Statement for All 1⋅4+2⋅7+3⋅10+…+n(3n+1)=n(n+1)21 \cdot 4 + 2 \cdot 7 + 3 \cdot 10 + \ldots + n ( 3 n + 1 ) = n ( n + 1 ) ^ { 2 }1⋅4+2⋅7+3⋅10+…+n(3n+1)=n(n+1)2

Use Mathematical Induction to Prove the Given Statement for All $1 \cdot 4 + 2 \cdot 7 + 3 \cdot 10 + \ldots + n ( 3 n + 1 ) = n ( n + 1 ) ^ { 2 }$