Upon simplification, f ⊕ [f * {f ⊕ (f * f)}] equals:
Explanation:
f ⊕ [f * {f ⊕ (f * f)}]
Using the simplification rule, start from the innermost bracket.
f * f = h
f ⊕ e = f
f ⊕ f = h
Hence, option (d).
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