How many terms are there in ap 7,10,13,...,205.
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0
Answer:
many terms are in AP
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1
Answer:
d=a2-a1=10-7=3 ,a=7
an=a+(n-1)d
205=7+(n-1)3
205-7=(n-1)3
198=(n-1)3
198/3=(n-1)
66=n-1
66+1=n
n=66
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