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in paper 2 of jee 2012,a question was like this:Let f : (–1, 1) ® IR be such that 2 2 (cos 4 ) 2 sec q = - q f for 0, , 4 4 2  p   p p  qÎ È      . Then the value(s) of 1 3       f is (are) (A) 3 1 2 - (B) 3 1 2 + (C) 2 1 3 - (D) 2 1 3 +;isnt this question wrong,v r getting 2 values of y for 1 x.so,not a function,but it is mentioned in question f:....? plzzzzzzzz reply now........

in paper 2 of jee 2012,a question was like this:Let f : (–1, 1) ® IR be such that 2
2
(cos 4 )
2 sec
q =
- q
f for 0, ,
4 4 2
 p   p p  qÎ È 
   
. Then the value(s) of
1
3
 
 
 
f is (are)
(A)
3
1
2
- (B)
3
1
2
+
(C)
2
1
3
- (D)
2
1
3
+;isnt this question wrong,v r getting 2 values of y for 1 x.so,not a function,but it is mentioned in question f:....?
plzzzzzzzz reply now........

Grade:

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
7 years ago
Hello Student,
The questions in JEE are sometime controversial and can only be interpretted correctly by JEE members.
But if you post question more with little less mistake i would be able to give you my view.
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

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