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OpenStudy (sleepyjess):
@ankit042 Find an equation for the nth term of the arithmetic sequence. a14 = -33, a15 = 9
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OpenStudy (eric_d):
Find the common diff, d
OpenStudy (ankit042):
for arithmetic seq nth term is a(n)=a(0)+(n-1)d
OpenStudy (ankit042):
a(14) = a(0)+13d a(15)= a(0)+14d subtract the two equation to get d
OpenStudy (sleepyjess):
d = 42
OpenStudy (ankit042):
yes!
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