batas bawah a batas atas 3 integral 3x²+2x+1 dx = 25. Nilai 1/2 a=...
Matematika
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batas bawah a batas atas 3 integral 3x²+2x+1 dx = 25. Nilai 1/2 a=...
1 Jawaban
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1. Jawaban Anonyme
InTegraL
∫(3x² + 2x + 1) dx [3....a] = 25
x³ + x² + x [3...a] = 25
3³ + 3² + 3 - (a³ + a² + a) = 25
a³ + a² + a = 39 - 25
a³ + a² + a = 14
a = 2
1/2 a = 1/2 . 2 = 1