JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Mathematics

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Question : 68 of 90

Marks: +1, -0

Let f:R−{

α

6

}→R be defined by f(x)=

5x+3

6x−α

.
Then the value of α for which (fof)(x)=x, for allx∈R−{

α

6

}, is

[20 Jul 2021 Shift 2]

No such α exists
5
8
6

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