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Q1. a. Given Z₁ = 3 + j2 and Z₂ = 1 + j2, express (Z₁²)/z₂ in the form a + jb. (8)

b. Solve the following complex equation for r and θ: 10∠50° + 4∠30° = r∠θ (6)

c. Simplify the following to a single complex number in the form r∠θ: 18∠π/8 × 3∠π/4 (2)