CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If a binary operation * is defined on the set Z of integers as a * b = 3a − b, then the value of (2 * 3) * 4 is
(a) 2
(b) 3
(c) 4
(d) 5

Open in App
Solution

(d) 5

Given: a * b = 3a − b
2 * 3 = 3 (2) - 3
= 6 - 3
= 3

(2 * 3) * 4 = 3 * 4
= 3 (3) - 4
= 9 - 4
= 5

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Special Determinants
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon