AMIT SIR pls help

[SoniaKapoor]

Sir, pls help with quest 58-59. I could solve only 57

[mrittik]

Plz draw an IS curve....then it is differentiated wrt Pf & u get the right answer.....for the other one constructing IS curve u get a +ve relation b/w e & Y...where Y increased when e increased which is solely Marshal-Lerner Condn....do da next two

[kangkan]

check this  thread for discussion on these questions
http://discussion-forum.2150183.n2.nabble.com/DSE-2012-paper-discussion-Please-join-td7590218i40.html