Question

sum of first 10 odd natural number is​

Answer 1

Answer:

sum of first 10 odd numbers = n * n = 10 * 10 = 100.

Answer 2

Ans=100.

Explanation:

because by using formula of n/2 (2a+(n-2)d).

here a=1,d=2,n=10.

10/2 (2 (1)+(10-1)2).

=5 (2+18).

=5 (20).

=100.

so the an=100.

I hope it will helps you..

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