equals

(A)

(B)

(C)

(D)

- Aug 31st 2010, 06:49 AMgrgrsanjayan IIT-JEE(indian institue of technology joint entrance exam) 2007 question
equals

(A)

(B)

(C)

(D) - Aug 31st 2010, 07:04 AMDefunkt
- Aug 31st 2010, 07:10 AMgrgrsanjay
its the first

can you show me the methods i did it but i failed to get it

i edited all my mistakes - Aug 31st 2010, 07:59 AMsa-ri-ga-ma
When you use L'hopital's rule, you get

Substitute the limit x = π/4 and find the result. - Aug 31st 2010, 08:16 AMgrgrsanjay
so is the answer coming out to be (A)??

- Aug 31st 2010, 08:17 AMsa-ri-ga-ma
I think it is (B)

- Aug 31st 2010, 08:20 AMgrgrsanjay
but the answer is (A) given in all my books(4 books in total)

- Aug 31st 2010, 08:26 AMPlato
- Aug 31st 2010, 08:27 AMsa-ri-ga-ma
OK. I will try again.

- Aug 31st 2010, 08:28 AMgrgrsanjay
yea,yea got it thanks sa-ri-ga-ma and plato