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CGP EDU Academic Team
Published on: August 13, 2026
Sum of the series 1 + 2.2 + 3.2 2 + 4.2 3 + ....+100.2 99 is -
Text Solution
Verified by ExpertsThe correct answer is:
B
S = 1 + 2.2 + 3.2 2 + ....100.2 99 2S = 2 + 2.2
2 + .........+100.2 10
– S = (1 + 2 + 2 2 .........100 term) – 100.2 100
– S = 1.(2 100 – 1) – 100.2 100
S = 100.2 100 –2 100 + 1 = 99.2 100 + 1
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