A. -4 / -4
ExplanationStep 1: First (1+i)² = 1 + 2i + i² = 2i. Step 2: (1+i)⁴ = (2i)² = -4. Step 3: Always remember i² = -1.
Step 1: पहले (1+i)² = 1 + 2i + i² = 2i। Step 2: (1+i)⁴ = (2i)² = -4। Step 3: i² = -1 हमेशा ध्यान रखें।
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