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

Find the value of ∣∣∣2+i2−i1+i1−i∣∣∣ if i2=−1.

A
A complex quantity
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
real quantity
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
cannot be determined
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is D A complex quantity

2+i2i1+i1i=(2+i)(1i)(2+i)(1+i)=22i+ii222iii2=2i(1)23i(1)=2i+123i+1=4i+2

So, it is a complex quantity.

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