48. If S(x)= (2x), then f(f(x) = 12...
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48. If S(x)= (2x), then f(f(x) = 12-1*1,*<-1 , x,x<-1 112-x|,*<-1 1}x, -15x51 2) 2–1x|,-1x513) |x,-15xs1 [12–x,x>1 1 12- x,x>1. 12- x,x>1 4) Cannot say

JEE/Engineering Exams
Maths
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( f(f(x)) ) ( x<-1 ) [ f(x)=|x| ] ( f(f(x)=2-|x| ) ( cos 2 cdot operatorname{tur} x geq-1 leq x leq 1 ) ( f(x)=|x| ) ( f(f(x)=|f(x)|=|x| ) Care 3 ( f o x quad x>1 ) ( f(x)=frac{2-x}{1} ) ( operatorname{So,} fleft(f(x)=mid begin{array}{cc}x & <1 f(x)end{array}right] ) ( =(2-x) ) Frhus ( quad ) Ams 1
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