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In / the/ was/ tiger/ zoo/ roaring/ the section D |
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Answer» Example 3: Find the SUM: ∑k=150(3k+2) FIRST find a1 and a50 : a1=3(1)+2=5a20=3(50)+2=152 Then find the sum: Sk=k(a1 + AK)2S50=50(5 + 152)2=3925 |
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