B. -1 / -1
ExplanationStep 1: In complex numbers i is the imaginary unit. Step 2: By definition i² = -1. Step 3: Remember i² = -1 while solving powers of i.
Step 1: Complex number में i imaginary unit है। Step 2: i² = -1 definition के अनुसार होता है। Step 3: Complex numbers में powers solve करते समय i² = -1 याद रखें।
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