Math, asked by anshika6689, 9 months ago

without adding find the sum1+3+5+7+...+23

Answers

Answered by sanjana05

2

A.P = 1,3,5,7....

where a = 1

n = 13

l = 23

sum=n/2 (a+l)

=13/2 (1+23)

=13/2(24)

=13×12

=156

Answered by sushmita5358

1

Step-by-step explanation:

1+3+5+7+9+11+13+15+17+19+21+23=12square

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