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Monday, September 6, 2010
Partition using y-axis: A = b h {\displaystyle A=bh} A = R ( y i ∗ ) Δ y i − L ( y i ∗ ) Δ y i {\displaystyle A=R(y_{i}^{*})\,\Delta {y_{i}}-L(y_{i}^{*})\,\Delta {y_{i}}} A = ∫ c d R ( y ) − L ( y ) d x {\displaystyle A=\int _{c}^{d}{R(y)-L(y)\,\mathrm {d} x}}