Math, asked by suneemurthy07, 2 months ago

without adding sum1+3+5+7+9+11+13+15+17

Answers

Answered by uk0170771

21

Answer:

1+3+5+7+9+11+13+15+17 = 81

Answered by maheshpandey059

1

These are first 9 odd natural number

therefore , their sum = 9²

= 81

HOPE IT HELP U..

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