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

lf y=xx2+x3x4+., |x|<1, then x=

A
yy+1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
y1y
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
y1y
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
y+1y
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A y1y
y=xx2+x3x4... ...(i)
xy=x2x3+x4... ...(ii) Since |x|<1
Adding i and ii we get
(1+x)y=x
1+xx=1y
using component-dividend method
1+xxx=1yy
1x=1yy
x=y1y for |x|<1

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