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If (a*b=ab), what will be the identity element?यदि (a*b=ab) है, तो तत्समक अवयव कौन सा होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (1)(1)
Step 1: An identity element (e) must satisfy (ae=a) and (ea=a). Step 2: (a\cdot 1=a) and (1\cdot a=a). Step 3: For multiplication-like operations, (1) is the first candidate.चरण 1: तत्समक अवयव (e) ऐसा हो कि (ae=a) और (ea=a)। चरण 2: (a\cdot 1=a) और (1\cdot a=a)। चरण 3: गुणन जैसी संक्रिया में (1) मुख्य उम्मीदवार होता है।
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