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Which term of the AP 3,2,13, 18 ... is 75
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Answered by
4
Answer:
pls write full ques.....
Answered by
2
Step-by-step explanation:
a=3, an=75,d=a2-a1
An =a +(n-1)d
75=3+(n-1)-1
75=3+(-1n+1)
75=3-1n+1
75=4-1n
75-4=-1n
71=-1n
n=71
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