wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If (x+1x)=4, find the value of (x2+1x2)

A
14
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
11
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
15
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
19
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 14

given, x+1x=4

Squaring both sides,

=(x+1x)2=42

=x2+(1x)2+2(x)(1x)=16

=x2+1x2+2=16

=x2+1x2=14



flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
(a + b)^2 Expansion and Visualisation
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon