Q$2)$ Write a matlab code to Solve the following problem over the interval from $x=0$ to $1$ using a step size of $0\mathrm{.}25$ where $y(0)=1.$ Display all your results on the same graph.

$\frac{dy}{dt}=(1+4t)\sqrt[\phantom{2}]{y}$

a$)$ Euler's method

b$)$ Ralston's method

c$)$ Fourth$-$order RK method