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Class 12 Mathematics Relations and Functions Binary operationsMedium

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If (ab=a+b+2), what is the value of (1(2*3))?

Answer and explanation

Correct answer: (10)

Step 1: First (2*3=2+3+2=7). Step 2: Then (1*7=1+7+2=10). Step 3: With this rule, the brackets still give the same value here.

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Associative Example Binary Operation Medium Binary Operations Relations And Functions Mathematics Class 12 Mcq

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