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2 किग्रा, 3 किग्रा तथा 4 किग्रा द्रव्यमा...

2 किग्रा, 3 किग्रा तथा 4 किग्रा द्रव्यमानों के स्थिति-सदिश क्रमश: `(hati-hatj+hatk),(hati+hatj-hatk)"तथा"(hati+2hatj-2hatk)` है|निकाय के द्रव्यमान-केन्द्र की स्थिति ज्ञात कीजिए।

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