If α,β be the roots of x2- a(x-1)-b=0,then the value of 1/α2-aα +1/β2-αβ +2/a+b is (ans I got is 4b/a2-b2.Its given ans is 0)
If α,β be the roots of x2- a(x-1)-b=0,then the value of 1/α2-aα +1/β2-αβ +2/a+b is (ans I got is 4b/a2-b2.Its given ans is 0)