A sphere of radius r is cut from larger sphere of radius R. The distance between their centre is a. The centroid of the remaining valoume lies on the line of centres and the sistanc from the centre of the larger sphere is

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Q. A sphere of radius r is cut from larger sphere of radius R. The distance between their centre is a. The centroid of the remaining valoume lies on the line of centres and the sistanc from the centre of the larger sphere is

(A) ar² / (R² - r²)
(B) aR/(R²-r²)
(C) aR/(R - r)
(D) ar³ / (R³ - r³)

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✅ Correct Answer: (D) ar³ / (R³ - r³)

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