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Calculate the arithmetic progression of the first member.
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Calculate the arithmetic progression of the first member.

Calculate the arithmetic progression of the first member.-example-1
User Dillan
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1 Answer

1 vote
a15 = a1 + 24d = 23
So:-
a1 - 24*-3 = 23
a1 = 23 + 72

a1 = 95 answer
User Mamaj
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