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jee_main_2024_01_february_morning - Relations and Functions Topics

Master these core formulas and structures to solve almost any past paper question.

Sample Questions in this Chapter

QUESTION #11 Composition of Functions
Let f:Rrightarrow R and g:Rrightarrow R be defined as f(x)=begincaseslog_ex & , & x>0\\ e^-x & , & xle0endcases and g(x)=begincasesx & , & xge0\\ e^x & , & x<0endcases Then, g circ f: Rrightarrow R is:
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QUESTION #30 Types of Relations
Let A=\1,2,3,.....20\ Let R_1 and R_2 two relation on A such that R_1=\(a,b):b text is divisible by a\ and R_2=\(a,b) text a is an integral multiple of b\. Then, number of elements in R_1-R_2 is equal to
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Practice past-year questions one chapter at a time. Pick an exam → subject → chapter and get every PYQ for that topic — pulled together from all past papers — with the chapter's key formulas alongside.

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