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OpenStudy (j.f):
The first three terms of a progression are 3, 6, 12,.. what is the value of the fourth term. I know how to find the value but would the question be set up as 3-6-12=x?
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OpenStudy (j.f):
24 a=a+(4-1)d= 6+3(6)= 24
OpenStudy (mathmath333):
yes \(24\) is correct \(3(2^0+2^1+2^2+2^3\ldots\)
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