Math, asked by gillbaaz795, 8 months ago

without. adding find the sum 1+3+5+7+9

Answers

Answered by jeffarz01

0

Answer:

81

Step-by-step explanation:

$1 + 3 + 5 + ...... + n= {n}^{2}$

$n = 9$

$1 + 3 + 5 + ..... + 9 = {9}^{2} = 81$

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