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If (a\ast b=a+b-5), what is the inverse of (2)?यदि (a\ast b=a+b-5), तो (2) का प्रतिलोम क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (8)(8)
Step 1: The identity of this operation is (5). Step 2: Let the inverse of (2) be (x). Then (2+x-5=5), so (x=8). Step 3: While finding an inverse, set the result equal to the identity, not always zero.चरण 1: इस क्रिया का तत्समक (5) है। चरण 2: (2) का प्रतिलोम (x) होगा, जहां (2+x-5=5)। इससे (x=8) मिलता है। चरण 3: प्रतिलोम निकालते समय दाईं ओर तत्समक लिखें, सामान्य शून्य नहीं।
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