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faiza rehman
Answers (1)
=(1+y)d/dy(6-2y^2)-(6-2y^2)d/dy(1+y)/(1+y)^2 =(1+y)(-4y)-(6-2y^2)(1)/(1+y)^2 =-4y-4y^2-6-2y^2/(1+y)^2 =-2y^2-4y-6/(1+y)^2
