Only 1% nailed IIT Quesn| definite Integration #math #education # easy

This IIT JEE question broke 99% of students 😳 f(f(x)) = x for x ∈ (0,1) and f(0) = 1... can you find the integral? Drop your answer in the comments 👇 #IITJEE​ #mit​ #iit​ #JEEMain​ #JEEAdvanced​ #Mathematics​ #Calculus​ #Integration​ #MathShorts​ #JEE2026​ #Maths​ #Shorts​ #IITExam​ #MathTricks​ #ProblemSolving​ #EngineeringEntrance​ #MathChallenge​ #FunctionalEquations​ #DefiniteIntegral​ #Study​ #IITJEEPreparation​ #Math