Let = {a,b}. Let u =a^3 b^2 ab^3 and v = b^2 a^2b be strings in

Let Σ = {a,b}.  Let u =a^3 b^2 ab^3 and v = b^2 a^2b be strings in Σ . Compute the following.

a. uv and |uv|

b. vu and |vu|

c. Eu

d. v E u

e. u E v

.