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ddaaaeeee2960
15.01.2021 •
Mathematics
Prove that (n+5)^2-(n+3)^2 is a multiple of 4 for all positive integer values of n
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Ответ:
Proved
Step-by-step explanation:
Given
Required
Show that
is a multiple of 4
Expand each bracket
Open brackets
Open bracket
Collect Like Terms
Factorize
Hence, the multiples of
are
and ![(n + 4)](/tpl/images/1038/6854/80a62.png)
Ответ:
$2
Step-by-step explanation:
I've just taken the quiz and it is $2