Question

what is the sum first n odd natural numbers​

Answer 1

Answer:

S=1+3+5+7+9+…………………………. + (2n+1). Here, the first part is nothing but the same summation of first n natural numbers which is just multiplied by 2 and the second part is just adding 1 for n times. Hence, the sum of first n odd natural numbers is n2+2n .

Step-by-step explanation:

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Answer 2

nice question:

what is the sum first n odd natural numbers?

Answer:

S=1+3+5+7+9+…………………………. + (2n+1). Here, the first part is nothing but the same summation of first n natural numbers which is just multiplied by 2 and the second part is just adding 1 for n times. Hence, the sum of first n odd natural numbers is n2+2n.✔️✔️

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Step-by-step explanation:

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