[" 11.मान लीजिए कि "A" और "B" ममुच्या है...

[" 11.मान लीजिए कि "A" और "B" ममुच्या है । याद किकी ममुक्वन "],[X" के लिए "A nn X=B nn X=phi" त्या "A uu X=B uu],[X," तो सिख्द काजिए कि "A=B" ."]

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