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Ex 1.3

Ex 1.3, 1
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Ex 1.3, 3 (i) Important Deleted for CBSE Board 2023 Exams

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Ex 1.3, 5 (i) Deleted for CBSE Board 2023 Exams

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Ex 1.3, 13 (MCQ) Important Deleted for CBSE Board 2023 Exams You are here

Ex 1.3, 14 (MCQ) Important Deleted for CBSE Board 2023 Exams

Chapter 1 Class 12 Relation and Functions

Serial order wise

Last updated at March 30, 2023 by Teachoo

Ex 1.3, 13 If f: R → R be given by f(x) = 〖"(3 – x3)" 〗^(1/3) , then fof(x) is (A) "x" ^(1/3) (B) x3 (C) x (D) (3 – x3) f(x) = 〖"(3 – x3)" 〗^(1/3) f(f(x)) = 〖"(3 – f(x)3)" 〗^(1/3) fof(x) = ("3 – " 〖"(3 – x3)" 〗^(𝟏/𝟑 × 𝟑) )^(1/3) = ("3 – " 〖"(3 – x3)" 〗^1 )^(1/3) = ("3 – 3 + x3" )^(1/3) = ("x3" )^(1/3) = x Hence fof(x) = x So, C is the correct answer