Consider the binary operation * on Q defind by a * b = a + 12b + ab for a, b ∈ Q. Find 2 * 1/3

Consider the binary operation * on Q defind by a * b = a + 12b + ab for a, b ∈ Q. Find 2 * 1/3

A

20/3

B

4

C

18

D

16/3

Answer:

The correct option is A. 20/3

Note