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Precalculus
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OpenStudy (anonymous):
Write the sum using summation notation, assuming the suggested pattern continues. 5 - 15 + 45 - 135 + ...
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OpenStudy (anonymous):
do you know the pattern of this sequence
OpenStudy (anonymous):
first notice that terms are alternating sign, and second each term is the previous term multiplied by 3
OpenStudy (anonymous):
@Brandon77 its being multiplied by -3
OpenStudy (anonymous):
right now just put it in summation form
OpenStudy (anonymous):
I got it thanks
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OpenStudy (anonymous):
no problem : )
OpenStudy (anonymous):
(-3)n or (-3)n+1?
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