Question

If an operation'*'be defined as a * b = a × b -(a×b),evaluate:(i) 2*5(ii) (-4)*(-6)(iii)13 *(-6)​

Answer 1

Step-by-step explanation:

2×5-(2×5)

10-10=0

(-4)×(-6)-(-4×-6)

24-(-24)

24+24

=48

13×-6-(13×-6)

-78-(-78)

-78+78

=0