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OpenStudy (anonymous):
find the 50th term of sequence: -2, -9, -16 ... help
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OpenStudy (anonymous):
what is the first term?
OpenStudy (anonymous):
do you know the first term?
OpenStudy (anonymous):
it is an A.P. c.d d=-9-(-2)=-9+2=-7 first term a=-2 nth term\[tn=a+(n-1)d\] find t50,here n=50
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