Given that P(n) is the equation 1+3+5+7+···+(2n−1) = n2, where n is an integer such that n ≥ 1, we will prove that P (n) is true for all n ≥ 1 by induction.
(a) Base case:i. Write P(1).
ii. Show that P(1) is true. In this case, this requires showing that a left-hand side is equal to a right-hand side.
(b) Inductive hypothesis: Let k ≥ 1 be a natural number. Assume that P (k) is true. Write P (k).
(c) Inductive step:i. WriteP(k+1).
ii. Use the assumption that P (k) is true to prove that P (k + 1) is true. Justify all of your steps.
(d) Explain why this shows that P (n) is true for all n ≥ 1.
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