91 π + 0 + 1 + 1 1+ +

Q: C1 = -5, C, = 3c,-1 – 2 : ...

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Q: Find for the 20th term of an arithmetic sequence 3, 6, 9, 12,

A: Let's find.

Q: find s10 of an arithmetic sequence if a3=5 and a5=11

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Q: Find the sum of the geometric sequence -3, 15, -75, 375, .. when there are 9 terms and select the…

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Q: Find the sum of the terms of an arithmetic sequence: 3+ 15+ 27+ 39... +615

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Q: Find the generating function for the finite sequence 1, 4,16, 64, 256.

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Q: Find the 1st five terms of the geometric sequences where a1=3 and r=-2.

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Q: Write out the first three terms of the sequence given by a, =n² – 4n+2. ao a1= a2

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Q: D. Find the partial sum of first 40 terms of : 3, 7, 11, 15 +

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