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deff fn [24]
3 years ago
8

Find the sum of the given polynomials.

Mathematics
2 answers:
notka56 [123]3 years ago
7 0
Answer is B.............
Maslowich3 years ago
6 0
(5m + 2n) + (-3m + n) + (-3n + 7)
(5m - 3m) + (2n + n - 3n) + 7
2m + (3n - 3n) + 7
2m + 7

The answer is B.
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Sum is
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it looks like 2^0=1 is the first term aka a1
it goes to the 9th term (2^9)

sub
S_{9}=\frac{1(1-(2)^{9})}{1-2}
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S_{9}=\frac{-511}{-1}
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