Question

6.If an operation * is defined on integer a and b such that a * b = (a+b) - (a x b), then the value of [(2 * 3) - (6 * 5)] is equal to

-19

-1

18

19​

Answer 1

Answer:

18

Step-by-step explanation:

[(2*3)]=(2+3)-(2×3)

=5-6

=-1

[(6*5)]=(6+5)-(6×5)

=11-30

=-19

-》-1-(-19)

=-1+19

=18

Answer 2

Answer:

2*3=(2+3)-(2×3)

= 5-6=-1

6*5=(6+5)-(6×5)

= 11-30=-19

then (-1)-(-19)=18