B. 12π
ExplanationStep 1: Identify ellipse area. Step 2: In x²/a²+y²/b²=1, a=4 and b=3, so area=πab=12π. Step 3: Memory tip: Area of an ellipse is πab.
Step 1: अवधारणा ellipse area है। Step 2: x²/a²+y²/b²=1 में a=4 और b=3 हैं, इसलिए area=πab=12π। Step 3: Memory tip: ellipse area πab होता है।
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