Question: Pre-Calculus G11 Use mathematical induction to prove the formula for every positive integer n. 9. 2 + 4 + 6+8+... +2n=n(n+1) 10. 2+7+12+17 + ...+(5n-3)

Pre-Calculus G11

Use mathematical induction to prove the formula for every positive integer n. 9. 2 + 4 + 6+8+... +2n=n(n+1) 10. 2+7+12+17 + ...+(5n-3) =-(5n-1) 11. 1+2+22 + 23 +... + 2"-1 =2" -1

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