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

Find the identity of the operation a b = ab4


A

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

0

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D

4


If e is the identity of a binary operation, then a e = a = e a for all a from the set on which it is defined. Let e be the identity of , then a e = a = e a. We are given a b=ab4.

a e=ae4 . This is equal to a

ae4=a

e = 4

So 4 is the identity of the binary operation given


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
(a ± b ± c)²
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon