⚠ Switch to EXCALIDRAW VIEW in the MORE OPTIONS menu of this document. ⚠

Text Elements

{ set of all L(f,P) } = { 1, 1.45, 1.495, 1.4995, … }

3

1

2

1

2

b

a

{ set of all U(f,P) } = { 2, 1.55, 1.505, 1.5005, … }

        When the two converge, meaning

inf( {set of all L(f,P)} ) = sup( {set of all U(f,P)} )

you get the integral. = 1.5