Math, asked by siddeshborkar16, 7 months ago

give answer step by step

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Answers

Answered by pukultanvi4444

1

Answer:

Hence square numbers are 5

Step-by-step explanation:

Given terms in triangular number of series

To find square numbers we get after adding the terms

Sol:-

triangular number series:-1,3,6,10,15,21,28,36,45,55

4th and 5th terms are 10 and 15

Their sum is 10+15=25:-----Square root of 5

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