Question

the sum of the first n added number is 625 then find the value of n​

Answer 1

$\large\sf\underline{Correct\:Question}$

• The sum of first 'n' odd numbers be 625 then find the value of n ?

$\large\sf\underline{Solution}$

We know :

The sum of first n odd numbers is given by $\small{\underline{\boxed{\mathrm\purple{n^{2}}}}}$

So :

$\sf⟹\:n^{2}=625$

$\sf⟹\:n=\sqrt{625}$

$\tt\pink{⟹\:n=25}$

• Thnku :)

Answer 2

CorrectQuestion

The sum of first 'n' odd numbers be 625 then find the value of n ?

\large\sf\underline{Solution}

Solution

We know :

The sum of first n odd numbers is given by \small{\underline{\boxed{\mathrm\purple{n^{2}}}}}

n

2

So :

\sf⟹\:n^{2}=625⟹n

2

=625

\sf⟹\:n=\sqrt{625}⟹n=

625

\tt\pink{⟹\:n=25}⟹n=25

Thnku :)