goIIT: IIT JEE AIEEE CET WBJEE VITJEE BITSAT IIIT AICET Engineering Entrance Experts, Student Discussion Community, IIT JEE Preparation Online

yaar the function will be continous
but at (0,0) there will be a sharp turn in the combined curve of the two drawn
and differentiabilty is not defined for sharp points on a curve
so it will not be differentiable at the origin

thanks soumya
i got this one now

thanks a lot again

hope i m not minding u but pls see this also ...... ur second reply was

see by ur mtd cases r.....
case 1

f(1)= 2
f(1)=3
f(1)=4
f(1)=5

but we want
cases to be

f(1)=sumthin
f(2)=sumthin
;
;
f(5)=sumthin...
this is the difference....

yaar ... this sumthing mean ???? the range is { 1 , 2 , 3 ,4 ,5 } and the co domain is also { 1 ,2 ,3 ,4 ,5 } and the function is given as onto ...so range is equal to co domain
so f(1) has to be either of 2 , 3 ,4 ,5 and similariyl for others also ?
please correct mee
plssss
thanks again

yaar pls temme what;s wrong in my method pls
a little detail pls this concept is a little troupblesome for me

????????????????????????????????????????

yaar pls temme what;s wrong in my method pls
a little detail pls this concept is a little troupblesome for me

replyyyyy plssssssssssssssssss

faith yaar ... i have applied the condition of f(i) not equal to i
not able to understand this logic pls help yar

but yaar what;s wrong in my method ??

helpppppppppppppppppppppppppppppppppppppppppppp

arey yaar pls reply

let a function be defined as f : { 1 , 2 , 3 , 4 , 5 }

{ 1 , 2 , 3 , 4 , 5 }

then the number of ways in which f ( i )

i is ???

i m getting the answer as 20 ( ⁵C₁X 4 )

but the answer given is 44 .... by using the dearrangement forumula we are getting the answer as 44 ....... but what';s wrong in my logic ? please do reply !

gud work

thanks to all of u guys
and ckmr yaar i dont really have an idea
try asking the experts
thanks again