Q1 of 43 Page 1

The binary operation * : R × R → R is defined as a * b = 2a + b. Find (2 * 3) * 4

Given that, ‘*’ is defined on R R R given by a * b = 2a + b


Now, (2 * 3) * 4 = (2 2 + 3) + 4


= 7 + 4


= 2 (7) + 4


= 18


The required value is 18.


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