1.Relation and Function
hard

माना $\mathrm{R}=\{\mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{d}, \mathrm{e}\}$ तथा $\mathrm{S}=\{1,2,3,4\}$ हैं। आच्छादक फलनों $f: R \rightarrow S$ जिनके लिये $f(a) \neq 1$ है, की कुल संख्या है

A

$180$

B

$170$

C

$160$

D

$150$

(JEE MAIN-2023)

Solution

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Standard 12
Mathematics

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