$2.$ Write a script that computes the sum: f$($x$)=11$ x $+1$ x$21$ x$3+1$ x$4($a$)$ Prompt user to enter x; $($b$)$ Prompt user to enter the number of terms N$.$ Note that for N$=1$ the sum is f$($x$)=1$; $($c$)$ Write a local function y$=$mysum$($x$,$N$)$ that calculates the given sum. $($d$)$ Check that the value of x is not zero. Otherwise make y$=0,$ if x$=0$; $($e$)$ Calculate and display the sum for entered x and N; $($f$)$ Prompt the user to chose $[$Y$/$N$]$ and repeat the calculations if the choice is Y $.$ If the choice is N end the script. $($Test with values: x$=0\mathrm{.}5$; N$=5$; f$($x$)=11$ and when x$=0$; f$($x$)=0$ as stated in part d$)$