Question

d=4 a=8 put the value in tn=a+(n-1)d
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Answer 1

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Tn=a+(n-1)d

Tn=8+(n-1)4

=8+4n-4

=4+4n

Answer 2

Answer:

tn=a+(n-1)d

d=4 and a=8(given)

put the value of a and d in equation

tn=8+(4n-4)

tn=3 answer