Q.7: Which term of the A.P. 5, 2, -1, ........... is -49?
(a) 19th (6) 15th (c) 16th (d) 20th
Answers
Answered by
4
Answer:
an=a +(n-1)×d
-49=5+(n-1)×-3
-49-5=(n-1)×-3
-54/-3=n-1
18=n-1
n=19 th term
Answered by
0
Answer:
so opt (a)19th is right....
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