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OpenStudy (anonymous):
Write the sum using summation notation, assuming the suggested pattern continues. 2 - 6 + 18 - 54 + ..
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OpenStudy (shubhamsrg):
If you understand geometric progressions ?
OpenStudy (anonymous):
is it \[\sum_{n=0}^{\infty} 2(-3)^n\]
OpenStudy (shubhamsrg):
Yes it is, good job!
OpenStudy (anonymous):
thank youu
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