Question: Question 1 Mathematical induction (50 points) Use mathematical induction to prove that 43 divides 6*+ + 720-1 for every positive integer n. Question 2 Mathematical

Question 1 Mathematical induction (50 points) Use mathematical induction to prove that 43 divides 6*+ + 720-1 for every positive integer n. Question 2 Mathematical induction (50 points) Prove that for every positive integer n: 1*2+2*3 + . . . +n * (n+ 1) = n(n + 1)(n +2)/3

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