Question:
If f(x)=casesx,& x rational
1-x,& x irrationalcases then f(f(x)) is equal to:
If f(x)=casesx,& x rational
1-x,& x irrationalcases then f(f(x)) is equal to:
1-x,& x irrationalcases then f(f(x)) is equal to:
Show Hint
Piecewise functions require case-wise evaluation.
Updated On: Mar 18, 2026
- 1
- x
- 1+x
- None of these
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Case analysis. Apply function twice.
Step 2: Result. In both cases, output equals x.
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