Use Euler's method to calculate the first three approximations to the given in $y^{\text{'}}=-x(1-y),y(1)=2,dx=0\mathrm{.}2$

A$.y_1=1\mathrm{.}2000,y_2=4\mathrm{.}9760,y_3=5\mathrm{.}8093$

B$.y_1=2\mathrm{.}2000,y_2=2\mathrm{.}4880,y_3=2\mathrm{.}9046$

C$.y_1=3\mathrm{.}0000,y_2=24\mathrm{.}8800,y_3=29\mathrm{.}0464$

D$.y_1=0\mathrm{.}3000,y_2=1\mathrm{.}2440,y_3=1\mathrm{.}4523$