Simplification Test 9

Question : 13 of 38

Marks: +1, -0

a ⋆ b = 2a - 3b + ab

, then

3 ⋆ 5 + 5 ⋆ 3

is equal to:

Solution:

a ⋆ b = 2a - 3b + ab

3 ⋆ 5 + 5 ⋆ 3

=6-15+15+10-9+15

=22

Go to Question:

Prev Question

Next Question