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Mathematics 17 Online
OpenStudy (anonymous):

Prove that the sum of 4 consecutive odd numbers are a multiple of 8?? (2n+1)+(2n+3)+(2n+5)+(2n+7) 8n+16???

OpenStudy (cwrw238):

8n + 16 = 87m where m is a positive integer lhs is even so m must also be even

OpenStudy (cwrw238):

oh yes 8n + 16 is divisible by 8 you are right

OpenStudy (cwrw238):

lol - i misread your post - i took ?? to be 87?

OpenStudy (anonymous):

lol easily done.

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