The sum of the first '2n' terms of the A.P. 2,5,8,.... is equal to the sum of the first 'n' terms of the A.P. 57,59,61,......, then the value of 'n' is
a) 10
b) 11
c) 12
d) 13
Answers
Answered by
3
Answer:
The answer is 11
Option (b)
Answered by
1
Answer:
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