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If the identity element is (-2) for (a*b=a+b+2), what is the inverse of (5)?यदि (a*b=a+b+2) में तत्समक अवयव (-2) है, तो (5) का प्रतिलोम क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (-9)(-9)
Step 1: For inverse (x), write (5*x=-2). Step 2: (5+x+2=-2) gives (x=-9). Step 3: In inverse questions, the target value is the identity element, not necessarily zero.चरण 1: प्रतिलोम (x) के लिए (5*x=-2) लिखें। चरण 2: (5+x+2=-2) से (x=-9) मिलता है। चरण 3: प्रतिलोम में लक्ष्य मान तत्समक अवयव होता है, शून्य जरूरी नहीं।
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