gimana kak caranya mengintegralkan soal tsn
Matematika
windi198
Pertanyaan
gimana kak caranya mengintegralkan soal tsn
1 Jawaban
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1. Jawaban whongaliem
[tex] \int\limits^2_1 {- x^{2} + 2x + 2} \, dx = - \frac{1}{3} x^{3} + x^{2} + 2x \left \{ {{2} \atop {1}} \right. [/tex]
[tex]= [ - \frac{1}{3} (2)^{3} + 2^{2} + 2(2)] - [ \frac{1}{3} (1)^{3} + 1^{2} + 2 (1)][/tex]
[tex]= - \frac{8}{3} + 4 + 4 - \frac{1}{3} - 1 - 2[/tex]
[tex]= 5 - \frac{9}{3} [/tex]
= 5 - 3
= 2