1. If P(X)=X-2.5 X-4X: a. Find the solution of polynomial P(X). b. Find the derivative and integration of P(X). c. Write a function polynomial that enter the numerical value N as an input, calculate the value of Y=P(N) for the above polynomial P(X) and return Y as an output. 2. Find the polynomial which achieve the following roots: [1.5 2.1 31 3. Write a function plotpoly that enters two vectors Pland P2 for two polynomials as inputs. and plot the systems of P1 P2 and P1/P2 as an output.