B. -6 + 9i / -6 + 9i
ExplanationStep 1: In conjugate the sign of imaginary part changes. Step 2: Conjugate of -6 - 9i is -6 + 9i. Step 3: Keep the real part same.
Step 1: Conjugate में imaginary part का sign बदलता है। Step 2: -6 - 9i का conjugate -6 + 9i है। Step 3: Real part को same रखें।
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