Tentukan hasil dari 4×(ײ- 5)³ d×

Integral

∫ax^n dx = a/(n + 1) . x^(n + 1) + C

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∫4x(x2 – 5)³ dx

= ∫4x(x² – 5)³ d(x² – 5) /2x

= 2∫(x² – 5)³ d(x² – 5)

= 2/4 (x² – 5)⁴ + C

= 1/2 (x² – 5)⁴ + C