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OpenStudy (wade123):
check my answer? Write the sum using summation notation, assuming the suggested pattern continues. 4 - 24 + 144 - 864 + ...
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OpenStudy (wade123):
my answer.... not sure how to put it onto here so i screenshotted it
OpenStudy (wade123):
@hartnn help? :(
hartnn (hartnn):
\(4 (-6)^{n-1}\) is correct ! but n starts from 1... so, \(\sum \limits_{n=1}^\infty \)
OpenStudy (wade123):
thank you!
hartnn (hartnn):
welcome ^_^
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