Question

explain the following perfect square or sum of odd number of 121??


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Answer 1

Answer:

i.e. 121 = 1+3+5+7+9+11+13+15+17+19+21. Thus , 121 is a perfact square. Since, 55 cannot be expressed as the sum of successive old numbers starting from 1. ... ∴ 69 cannot be expressed as the sum of consecutive odd num numbers starting fron 1.

Answer 2

Answer:

11 is the perfect square of 121

Step-by-step explanation:

11 times 11 = 121