Jawab:
Penjelasan dengan langkah-langkah:
subtitusi :
t = x²+1
dt = 2x.dx
∫2x.(x²+1)³.dx = ∫t³.dt
= 1/4 . t⁴+C
∫2x.(x²+1)³.dx = 1/4. (x²+1)⁴ + C
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Jawab:
Penjelasan dengan langkah-langkah:
subtitusi :
t = x²+1
dt = 2x.dx
∫2x.(x²+1)³.dx = ∫t³.dt
= 1/4 . t⁴+C
∫2x.(x²+1)³.dx = 1/4. (x²+1)⁴ + C