$1\mathrm{.}4.$ Use the MatLaB backslash operator to solve the $2-$by$-2$ system of simultaneous linear equations

$c_1+c_2=1$

$c_1+c_2(1-)=1$

for $c_1$ and $c_2.$ You can find out about the backslash operator by taking a peek at the next chapter of this book, or with the commands

help $$

help slash