'Suppose you want to use mathematical induction to prove that 1+2+22+2+-+2"_211_1 for all positive integers P(k) _ P(k+1) Which of these is the correct inductive step 1+21 +22+284-+2*_1+2+2+2+_+2*+26+1 2* _ 26+1 1+21+22+28+-42*_2+1_1_1+27422+28+-428+2+1 =26+2_] c 1+21+22+2+-+2*_211_131+21+22+2+-+2*+2+1=2+1_1+2+1'
Added by Darryl T.
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In this case, we have 1 = 2^1 - 1, which is true. Show more…
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