Question

21 - Express 100 as the sum of 10 odd numbers.
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Answer 1

Given 100 can be written as 10²

According to the property of perfect square, for any natural number n, we have sum of first n odd natural numbers =n²

Expressing 100 as a sum of 10 odd numbers, we get

100=(10)²

Here n=10

By applying the law 100=(1+3+5+7+9+11+13+15+17+19)

Answer 2

Answer:

1+3+5+7+9+11+13+15+17+19