Let R$1$ and R$2$ be relations on a set A represented by the

matrices

MR$1=$

$$

$$

$$

$$

$010$

$111$

$100$

$$

$$

$$

$$

and MR$2=$

$$

$$

$$

$$

$010$

$011$

$111$

$$

$$

$$

$$

$.$

Find the matrices that represent

a$)$ R$1\backslash$cup R$2.$ b$)$ R$1\backslash$cap R$2.$ c$)$ R$2$ R$1.$

d$)$ R$1$ R$1.$ e$)$ R$1$ R$2.$