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On real numbers, (a*b=a+b+ab) is defined. If ((x*1)=5), what is the value of (x)?वास्तविक संख्याओं पर (a*b=a+b+ab) परिभाषित है। यदि ((x*1)=5), तो (x) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (2)(2)
Step 1: (x*1=x+1+x=2x+1). Step 2: (2x+1=5\Rightarrow 2x=4\Rightarrow x=2). Step 3: Once the operation is converted into an algebraic expression, the equation becomes easy.चरण 1: (x*1=x+1+x=2x+1)। चरण 2: (2x+1=5\Rightarrow 2x=4\Rightarrow x=2)। चरण 3: क्रिया को सामान्य बीजगणितीय रूप में बदलते ही समीकरण आसान हो जाता है।
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