Question

5.
If the binary operation *, on set of rational
numbers Q is given by a*b = (2a - b)?
then compute 3 *5&5*3. Is 3*5 = 5*3?​

Answer 1

Step-by-step explanation:

3*5=(2×3-5)

3*5=(6-5)=1

5*3=(2×5-3)

5*3=(10-3)=7

Therefore, 3*5 is not equal to 5*3