Mathematics · Relations and Functions
पूर्णांकों के समुच्चय में, एक द्विआधारी संक्रिया (binary operation) * को a * b = a + b - 1 द्वारा परिभाषित किया गया है। इस संक्रिया के संबंध में तत्समक अवयव (identity element) क्या है?
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