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

+3 votes

asked Dec 29, 2018 in Class 12 by kratos

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

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+3 votes

answered Mar 31, 2021 by kratos

Best answer

(2 3) 4 = (2 × 2 +3) 4
= 7 4
= 2 × 7 + 4 = 18

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