Question

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

Answer 1

Answer:

Step-by-step explanation: a*b= a+b- (a+b)

1) 2*5 =2+5-(2+5)=2+5-2-5=0

2) (-4)*(-6) = (-4)+(-6)-((-4)+(-6))=-4-6+4+6=0

3)(-13)*(-6)= (-13)+(-6)-((-13)+(-6))=-13-6+13+6=0

Answer 2

Step-by-step explanation:

2*5 = 10

(-4) *(-6) =36

(-13)*(-6)= 97