given l = 5 d = 20 n=8 find an. from last term
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Step-by-step explanation:
l = 5
d =2
n = 8
to find :- an from the last term
when we need an from last term then the AP will reverse
required AP is
5,3,1.........
the formulae used is
an = a+(n-1)d
= 5-14
= -9
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