wiz-icon
MyQuestionIcon
MyQuestionIcon
6
You visited us 6 times! Enjoying our articles? Unlock Full Access!
Question

If xϵR, the solution set of the equation
4x+0.57.2x4<0 is equal to

A
(2,72)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
(2,)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
(2,)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
(,)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B (2,)
Put 2x=t and 40.5=412=2
2t27t4<0(t4)(2t+1)<0
12<t<40<2x<22
or (12)<(12)x<(12)2
Since 12<12<x<
xϵ(2,)(b)

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