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

Solve 2x+227x/(x−1)=9

A
x=1log3log2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
x=2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
x=1log2log3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
x=2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B x=2
2x+227x/(x1)=9
Taking log on both sides,
(x+2)loge2+xx1loge27=loge9
(x+2)loge2+3xx1loge3=2loge3
(x+2)loge2+(x+2)x1loge3=0
(x+2)(x1+loge3loge2)=0
x=1loge3loge2,x=2

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Property 2
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon