No out portion bro,.. But Question is tough....,
Don't worry Bro.. This time Your luck may work Bro..
For us in the sequence determining sums are there. In that the arrow is given to mark the x(0), but thats not in the portions. The 12 and 13 questions are framed in different manner. @srini: when you got tough questions,The correction is linent
Yeah your'e right bheem, and one more thing the new smilieys are simply awesome. Thanxs to srini and dhilip