August 2022 1 89 Report
Soal SBMPTN
Luas daerah di kuadran II yang dibatasi oleh sumbu y, garis y = -x, dan y = a dengan a > 2, serta terletak diatas parabola y = -x² + 2, adalah ...
A. [tex]\frac{1}{2} (a^2-1)+\int\limits^0_ {-1} \, (x^2-1)dx[/tex]
B. [tex]\frac{1}{2} (a^2-1)-\int\limits^0_ {-1} \, (x^2-1)dx[/tex]
C. [tex]\frac{1}{2} (a-1)^2+\int\limits^0_ {-1} \, (x^2-1)dx[/tex]
D. [tex]\frac{1}{2} (a^2-1)+\int\limits^0_ {-\sqrt{2} } \, (x^2-1)dx[/tex]
E. [tex]\frac{1}{2} (a^2-1)-\int\limits^0_ {-\sqrt{2} } \, (x^2-1)dx[/tex]
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