Math, asked by rohitkumar189650, 1 month ago

without adding find The sum 1+3+5+7+9+11+13+15+17+19​

Answers

Answered by stepper3159
1

Answer:

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. ∴ 55 is not a perfact square.

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Answered by Anushkamini02
1

Answer:

75 is your answer.

Mark it as brainlist

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