Question

Express 7^2 as the sum of odd numbers.

Answer 1

Answer:

$1+3+5+7+9+11+13$

Step-by-step explanation:

Note that $n^2$ is the sum of first $n$ odd numbers.

So the answer is $1+3+5+7+9+11+13$, which is the sum of first $7$ odd numbers.

Answer 2

Answer:

$7 {}^{2} = 49 \\ 13 + 27+ 4= 49$