Get the solution to "Indirect proof that sum of first n even..."

GepGreeloCesyjk

Answered question

2022-09-23

Indirect proof that sum of first n even numbers is

n^{2} + n

indirectly by assuming that the sum of the first

n

odd numbers is

n^{2}

garnboernl

Beginner2022-09-24Added 8 answers

Using the contrapositive isn't the only indirect way of proving a theorem. Hint: you can say about the first

n

even numbers (individually) compared to the first

n

odd numbers. You can find some convenient correspondence between, say, the

5

th even number and the

5

th odd number.

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