Find the sum of the first 45 terms of an arithmetic sequence whose general term is given by 15 + 5n

Q: Find the sum of the first eight terms of the sequence 18, -14, 12

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Q: Find the eighth term of the arithmetic sequence whose first term is 4 and whose common difference is…

A:

Q: C1 = -5, C, = 3c,-1 – 2 : ...

A:

Q: Find the 13th term of the arithmetic sequence 3x-11, -6, -3x-1, -6x + 4.

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Q: Write the first three terms of the sequence defined by a₁ = 2, 2a, +3 an +1 = an +2 'n

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Q: Write the first four terms of sequence whose general term is given an = (-3)n.

A: an=(-3)n

Q: Write the first term of the arithmetic sequence whose fourth term is 21 and nineteenth term is 111.

A: Given query is to find the first term of a arithmetic sequence whose fourth and nineteenth term is…

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

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