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On real numbers, (a*b=a+b-3) is defined. What is the inverse of (5)?वास्तविक संख्याओं पर (a*b=a+b-3) है। (5) का प्रतिलोम क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (1)(1)
Step 1: The identity of this operation is (3). Step 2: Put (5*b=3), so (5+b-3=3). Step 3: Hence (b=1). The inverse is the element that gives the identity after the operation.चरण 1: इस संक्रिया का तत्समक (3) है। चरण 2: (5*b=3) लिखने पर (5+b-3=3) मिलता है। चरण 3: इससे (b=1)। प्रतिलोम वही है जो संक्रिया करने पर तत्समक दे।
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