Question icon
Grade 12Trigonometry

The no of solution of the equation
e^x=5^x+5^(-x)

Profile image of Brown sam
12 Years agoGrade 12
Answers icon

1 Answer

Profile image of Arun Kumar
ApprovedApproved Tutor Answer12 Years ago
Hello Student,
Both sides are increasin function for x>0.
For x <0 it is obvious that they won’t intersect.
Also the right function is even.
So at x=0
right =2
left =1
So the equation won’t have a solution.
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty