Question

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

Answer 1

Answer:

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Step-by-step explanation:

sum of consecutive odd numbers from 1, determine the square.

1 + 3 + 5 + 7 + 9= 5numbers

=5^2=25

Answer 2

Step-by-step explanation:

as these are consecutive odd nos. therefore take square of the no. of nos. to be added

5²= 25