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Sonia Ayers 2022-07-14 Answered
Proving i = 1 n ( 2 i 1 ) for all natural numbers
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Answers (1)

Wade Atkinson
Answered 2022-07-15 Author has 12 answers
We have,
i = 1 n ( 2 i 1 )
= 1 3 5 7 ( 2 n 1 )
= 1 3 5 7 ( 2 n 1 ) 2 4 6 2 n 2 4 6 2 n
= 1 2 3 4 2 n 2 n ( 1 2 3 n )
= ( 2 n ) ! 2 n n !
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