Add New Description

Fill up the form and submit

\frac{3}{1^{2} . 2^{2}} + \frac{5}{2^{2} . 3^{2}} + \frac{7}{3^{2} . 4^{2}}

\frac{n (n + 2)}{(n + 1)^{1}}

\frac{n (n + 2)}{n + 1}

\frac{n (n + 2)^{2}}{(n + 1)^{2}}

\frac{(n + 2)}{(n + 1)^{2}}

ANS : 1

Descrption

To add a description please, login first. click here to login

Cancel Login