Math, asked by tripathi1179, 6 months ago

without the actual adding find the sum of 1+3+5+7+9+11+13+15+17

Answers

Answered by Anonymous

3

Answer:

81 is answer

without adding

Step-by-step explanation:

Answered by tarungv2007

1

Answer:

Sum of first 'n' odd numbers is n^2

so,

9^2 = 81

Mark it the brainliest

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