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- Please,please help me - Sets, Relations and Functions - JEE Main-2
Which of the following is an into function in
- Option 1)
f(x) =sin x
- Option 2)
f(x) = tan x
- Option 3)
f(x) = lnx
- Option 4)
f(x) = log x
Answers (1)
As we have learned
Into function -
If function AB is such that there is atleast one element in B which is not f image of any element in A.
- wherein
Range of f is proper subset of Co - domain of f
since Range of sin x [-1,1]
Range codomain i.e [-1,1]
R
Option 1)
f(x) =sin x
Option 2)
f(x) = tan x
Option 3)
f(x) = lnx
Option 4)
f(x) = log x
View full answer
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