1.what is the 18th term of the sequnce 5,13,21,29,...? 2.if a_1=-2,n=15,d=4,what the is a_15
3.if three arithmetic means are inserted between 15 and 135,what is the 3rd arithmetic means?
4.find the sum of the first ten term arithmetic series if a_=32 and a_n=206
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3.if three arithmetic means are inserted between 15 and 135,what is the 3rd arithmetic means?
4.find the sum of the first ten term arithmetic series if a_=32 and a_n=206
Answer and Solution
Please
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