Question

21. Find the 6th term from the end of
22. Is 184 a term of the AP 3, 7, 11, 15, ...?
23. Is -150 a term of the AP 11, 8, 5, 2, ...?
24. Which term of the AP 121, 117, 113, ... is its first negative term?
5. Which term of the AP
3
19
is its first negative te
4
4'
[СЕ
26. The 7th term of an AP is -4 and its 13th term is -16. Find the A
[C
27. The 4th term of an AP is zero. Prove that its 25th term is tripl
term.
28. If the sixth term of an AP is zero then show that its 33rd ter
times its 15th term.
29. The 4th term of an AP is 11. The sum of the 5th and 7th term
is 34. Find its common difference.
30 The 9th term of an AP is -32 and the sum of its 11th and
is -94. Find the common difference of the AP.
31. Determine the nth term of the AP whose 7th term is -1 a​

Answer 1

Answer:

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