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If the identity element is (-1) for (a*b=a+b+1), what is the inverse of (2)?यदि (a*b=a+b+1) में तत्समक अवयव (-1) है, तो (2) का प्रतिलोम क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (-4)(-4)
Step 1: For inverse (x), (2*x=-1) must hold. Step 2: (2+x+1=-1) gives (x=-4). Step 3: In inverse questions, set the result equal to the identity element.चरण 1: प्रतिलोम (x) के लिए (2*x=-1) होना चाहिए। चरण 2: (2+x+1=-1) से (x=-4) मिलता है। चरण 3: प्रतिलोम में परिणाम हमेशा तत्समक अवयव के बराबर रखते हैं।
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