Forgot password? New user? Sign up

Existing user? Log in

If $\alpha ,\beta$ are the roots of $2x^{2}-5x+1=0$ and $S_{n}=(\alpha)^{2n}+(\beta)^{2n}$ then $\large \frac{ 4 S_{2017} +S_{2015} } {S_{2016}}$ is:

Problem Loading...

Note Loading...

Set Loading...