Re: real post tax profit rate

Posted by shivani76 on May 03, 2014; 7:22pm
URL: http://discussion-forum.276.s1.nabble.com/real-post-tax-profit-rate-tp7588404p7588446.html

5.
p+q=-b
pq=c for given equation
sum and product of roots

now sum of new roots=-2pq
product=(pq)^2 - (p+q)^2

just compare these roots with old values..

youll get new equation as the ans

ans A.