$$\(18 \mathscr{E}=\{\)$$ letters of the alphabet $$\(\}\)$$ $$\(B=\{\mathrm{b}, \mathrm{r}, \mathrm{a}, \mathrm{z}, \mathrm{i}, 1\}\)$$ $$\(I=\{\mathrm{i}, \mathrm{r}, \mathrm{e}, \mathrm{l}, \mathrm{a}, \mathrm{n}, \mathrm{d}\}\)$$ (a) List the members of the set (i) $$\(B \cup I\)$$ (ii) $$\(B \cap I^{\prime}\)$$ (2) $$\(K=\{\mathrm{k}, \mathrm{e}, \mathrm{n}, \mathrm{y}, \mathrm{a}\}\)$$ Cody writes down the statement $$\(B \cap K=\varnothing\)$$ Cody's statement is wrong. (b) Explain why. .

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