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On positive real numbers, (a*b=\frac{ab}{2}). Which is the inverse of (a)?धनात्मक वास्तविक संख्याओं पर (a*b=\frac{ab}{2}) है। (a) का प्रतिलोम कौन सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{4}{a})(\frac{4}{a})
Step 1: The identity for this operation is (2). Step 2: (a*x=2\Rightarrow \frac{ax}{2}=2\Rightarrow x=\frac{4}{a}). Step 3: Find the identity first, then find the inverse.चरण 1: इस संक्रिया का तत्समक अवयव (2) है। चरण 2: (a*x=2\Rightarrow \frac{ax}{2}=2\Rightarrow x=\frac{4}{a})। चरण 3: पहले तत्समक अवयव निकालें, फिर प्रतिलोम निकालें।
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