Published by:
CGP EDU Academic Team
Published on: August 13, 2026
50 th term of the sequence 3 + 12 + 25 + 42 + ……. Is
Text Solution
Verified by ExpertsThe correct answer is:
B
S = 3 + 12 + 25 + 42 .... + T n ...(1)
S = 3 + 12 + 25 ..................... + T n ...(2)
subtract
0 = 3 + 9 + 13 + 17 .....T n
T n = 3 + 
[18 + (n – 2)4]
Put n = 50 ∴ T 50 = 5148
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