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Class 12 Mathematics Relations and Functions Binary operationsMedium

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If (ab=a+b+ab) and (x2=8), what is the value of (x)?

Answer and explanation

Correct answer: (2)

Step 1: (x*2=x+2+2x). Step 2: (3x+2=8) gives (3x=6), so (x=2). Step 3: Convert the operation into a simple equation first.

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Binary Operation Equation Solving Medium Binary Operations Relations And Functions Mathematics Class 12 Mcq

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