Adeola2631 Adeola2631

12-09-2020
Mathematics

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Find the sum of the first 15 terms of an ap whose 1st and last term are -4 and 46 respectively?

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habsa200orjnnf habsa200orjnnf

13-09-2020

#1, ok
#2, no
first year --- 8 = 8*2^0
2nd year --- 16 = 8*2^1
3rd year --- 32 = 8*2^2
...
6th year ---- ??

#3 >>>

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