Write a rule for the nth term of the sequence where a10 = 42 and d = 5. 4

Q: C1 = -5, C, = 3c,-1 – 2 : ...

A:

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

A:

Q: find the first term of arithmetic sequence if a8 = 40 and a23 =115

A: We know that the general formula of arithmetic sequence is l=a+(n-1)*d  Where l=Last term  a= first…

Q: 4. 2, 14, 36, 68, 110, .. 21 ·,18,- ,5, 2 3 55 -,39, ... 2 2 5.

A: The nth term of the sequence is pn^2+qn We have to find out p and q for the desired term.

Q: Write the second term of the sequence.

A: an=(-1)n4n-1

Q: Find the 35th term of an arithmetic sequence with a1= 50 and a22 = −265.

A: Given,

Q: Find the 8th term of an arithmetic sequence with a1 = −2 and a15 = 68.

A: Using  a1 = −2 and a15 = 68 we find common difference d and use the term formula of AP.

Q: (2п)! An

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Q: an

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Q: Find the 20th term of the sequence: -12, -9, 0, 15, 36, 63, …

A: