JEE Main 20268 AprilEvening Shift
- Exam
- JEE Main
- Year
- 2026
- Date
- 8 April
- Shift
- Evening Shift
- Subject
- Mathematics
- Chapter
- Functions
JEE Main 2026 · 8 April · Evening Shift · Mathematics · Functions
Let f be a polynomial function such that _2(f(x)) = (...
Let be a polynomial function such that , and . Then is equal to ________.
Correct answer
0
Step-by-step solution
The sum of the infinite geometric progression is given by:
Substituting this into the given equation:
Using the base change property :
Equating the arguments:
The only polynomial functions satisfying this relation are of the form .
Given :
Taking the positive sign, .
Thus, the polynomial is .
The required sum is:
Answer:
Substituting this into the given equation:
Using the base change property :
Equating the arguments:
The only polynomial functions satisfying this relation are of the form .
Given :
Taking the positive sign, .
Thus, the polynomial is .
The required sum is:
Answer: