Question

2*5

operation '*' be defined as a * b = a × b - (a + b), evaluate :
(i) 2 * 5
(ii) (-4) * (- 6)
(11) 13 * (-6​

Answer 1

Step-by-step explanation:

a*b = a×b-(a+b)

(i) 2*5 = 2×5-(2+5)

= 10-7

= 3

(ii) (-4)*(6) = (-4) ×(6) - (-4+6)

= (-24) - (2)

= (-26)

(iii) 13*(-6) = 13×(-6) - (13-6)

= (-78)-7

= (-85)

Answer 2

Answer:

i) 3

ii) 34

iii) -85