ab-2=0
b-1=0
∴a=2
b=1
∴1/ab+1/(a+2)(b+2)+……+1/(a+2010)(b+2010)
=1/1*2+1/2*3+1/3*4+……+1/2011*2012
=1-1/2+1/2-1/3+1/3-……-1/2011+1/2011-1/2012
=1-1/2012
=2011/2012
ab-2=0
b-1=0
∴a=2
b=1
∴1/ab+1/(a+2)(b+2)+……+1/(a+2010)(b+2010)
=1/1*2+1/2*3+1/3*4+……+1/2011*2012
=1-1/2+1/2-1/3+1/3-……-1/2011+1/2011-1/2012
=1-1/2012
=2011/2012