Question

what is the sum of first n odd numbers starting from 11​

Answer 1

Answer:

$\bold \red{h} \bold\blue{i} \: \bold{m} \bold \purple{a} \bold \green{t} \bold \pink{e}$

The total of any set of sequential odd numbers beginning with 1 is always equal to the square of the number of digits, added together. If 1,3,5,7,9,11,…, (2n-1) are the odd numbers, then; Sum of first odd number = 1. Sum of first two odd numbers = 1 + 3 = 4 (4 = 2 x 2).

Step-by-step explanation:

$\boxed{f} \red{o} \boxed{l} \pink{l}\boxed{o} \green{w} \: \: \boxed{m} \purple{e}$