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If the identity element is (0) for (a*b=a+b-ab), what is the inverse of (3)?यदि (a*b=a+b-ab) में तत्समक अवयव (0) है, तो (3) का प्रतिलोम क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{3}{2})(\frac{3}{2})
Step 1: For inverse (x), write (3*x=0). Step 2: (3+x-3x=0) gives (3-2x=0), so (x=\frac{3}{2}). Step 3: Handle negative signs carefully.चरण 1: प्रतिलोम (x) के लिए (3*x=0) लिखें। चरण 2: (3+x-3x=0) से (3-2x=0) और (x=\frac{3}{2})। चरण 3: ऋण चिह्नों को सावधानी से संभालें।
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