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

IfA=2-112then A2+2A-3I=


A

4-664

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B

0

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

-6226

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

5I

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A

4-664


Find the value of A2+2A-3I:

Given that A=2-112

A2+2A-3I=2-1122-112+22-112-31001A2+2A-3I=4-1-2-22+2-1+4+4-224-3003A2+2A-3I=3-443+1-221A2+2A-3I=4-664

Hence, the correct option is (A).


flag
Suggest Corrections
thumbs-up
4
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Evaluation of Determinants
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon