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astraxan [27]
3 years ago
11

What is the third term of (2x-1)^5

Mathematics
2 answers:
Ne4ueva [31]3 years ago
8 0
<span>1* (2x)^5 + 5*(2x)^4 * (-3)^1 + 10*(2x)^3 * (-3)^2 + 10*(2x)^2 * (-3)^3 + 5*(2x)^1 * (-3)^4 + 1 *(-3)^5
the third term would then be 720*x^3
I hope i helped you :D
</span>
Sergio039 [100]3 years ago
6 0
I hope this helps you

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What is the first term in a geometric sequence if the common ratio is −4 and the sum of the first four terms is −255?
posledela
Sn=A1(1-r^n)/(1-r)
Sum of a finite geometric series formula
We know the sum, number of terms and rate, so you plug those in.
-255=A1(1-(-4)^4))/(1-(-4)
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Hope this helped! Let me know if you have any questions.
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