a=120,d=5,n=?,an=?
plz solve this
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Answered by
0
Answer:
a =120
d=5
Step-by-step explanation:
an=a+(n-1)d
= 120+(n-1)5
=120+5n-5
=115+5n
=5(23+n)=0
n=-23
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Answer:
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