CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

The number of solutions of the equation 1+x2+2xsin(cos1y)=0 is

A
1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is D 1
1+x2+2xsincos1y=0
1+x2+2x1y2=0
x2+2x1y2+1=0
x2+2x1y2+1y2=y2
(x+1y2)=y2y20
x+1y2=0 and y=0(x+1y2)20
y=0,x=1 only one solution
68721_43255_ans.jpg

flag
Suggest Corrections
thumbs-up
0
mid-banner-image
mid-banner-image
similar_icon
Related Videos
thumbnail
lock
Property 4
MATHEMATICS
Watch in App