If a=20 and d=-3 find tn.
Allsha:
tn?
Answers
Answered by
5
tn=a+(n-1)d
so
tn=20+(n-1)3
tn=20+3n-3
tn=3n+17
so
tn=20+(n-1)3
tn=20+3n-3
tn=3n+17
Answered by
3
here your ans
ten=a+(n-1)3
tn =20+3n-3
tn =20-3
3n=17
ten=a+(n-1)3
tn =20+3n-3
tn =20-3
3n=17
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