Find out the nhi and 12th term of the series:3/5,1/5,(-)1/5,(-)3/5......
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Answer:
tn=1/5n+2/5
t12=59/5
Step-by-step explanation:
1st term is a & common difference is d
d= 1/5
tn=a+(n-1)d
t12=3/5+(12-1)1/5
=3/5+56/5
= 59/5
tn=3/5+(n-1)1/5
=3/5+1/5n-1/5
=1/5n+2/5
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