Asked by sally
Is my answer correct?
Which of the following shows the correct first step to prove the following by mathematical induction?
3 + 11 + 19 + 27 + … + (8n - 5) = n(4n - 1)
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3 + 11 + 19 + 27 + … + (8 • 1 - 5) = 1(4 • 1 - 1)
8 • 1 - 5 = 1(4 • 1 - 1)
3 + 11 + 19 + 27 + … + (8k - 5) = k(4k - 1)
3 + 11 + 19 + 27 + … + (8k - 5) + [8(k + 1) - 5] = (k + 1)[4(k + 1) - 1]
answer:c
Which of the following shows the correct first step to prove the following by mathematical induction?
3 + 11 + 19 + 27 + … + (8n - 5) = n(4n - 1)
________________________________________
3 + 11 + 19 + 27 + … + (8 • 1 - 5) = 1(4 • 1 - 1)
8 • 1 - 5 = 1(4 • 1 - 1)
3 + 11 + 19 + 27 + … + (8k - 5) = k(4k - 1)
3 + 11 + 19 + 27 + … + (8k - 5) + [8(k + 1) - 5] = (k + 1)[4(k + 1) - 1]
answer:c
Answers
Answered by
Steve
Nope. B
First, show that P(1) is true.
Then you assume C so you can prove D.
First, show that P(1) is true.
Then you assume C so you can prove D.
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