77, 85, 93, ...... 15th term?
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Answered by
1
Answer:
197
Step-by-step explanation:
given,
a=77, d=a2-a1=85-77=8
then,
an= a+(n-1)d
a15= 77+(15-1)8
= 77+14*8
=77+120
= 197
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