For A={a ∈𝐑:|a| ≤1} and B={b ∈𝐑:|b|=1}, give a geometric description of the points in the x y-pl

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Step 1: Understand the sets A and B.u000Au002D Set A is defined as u005C( A u003D u005C{ a u005Cin u005Cmathbf{R} : |a| u005Cleq

For $A=\{a \in \mathbf{R}:|a| \leq 1\}$ and $B=\{b \in \mathbf{R}:|b|=1\}$, give a geometric description of the points in the $x y$-plane belonging to $(A \times B) \cup(B \times A)$.