C. 384 / 384
ExplanationStep 1: In GP a=3 and r=2. Step 2: a8=ar^7=3×128=384. Step 3: GP nth term is ar^(n-1).
Step 1: GP में a=3 और r=2 है। Step 2: a8=ar^7=3×128=384। Step 3: GP nth term ar^(n-1) होता है।
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