Maklum aja belajar online gimana mau masuk ke otakintinya ya tolongin bro :V
Penjelasan dengan langkah-langkah:
no. 1
∫ (3x² + 2x – 4) dx
= 3/(2 + 1) x^(2 + 1) + 2/(1 + 1) x^(1 + 1) – 4x + c
= 3/3 x³ + 2/2 x² – 4x + c
= x³ + x² – 4x + c
no. 2
₀∫² (3x² – 8x + 5) dx
= (x³ – 4x² + 5x) ]²₀
= (2³ – 4(2)² + 5(2)) – (0³ – 4(0)² + 5(0))
= (8 – 16 + 10) – 0
= 2
no. 3
p > 0 dan
((p)² – 3(p)) – (1² – 3(1)) = 12
p² – 3p – (1 – 3) = 12
p² – 3p + 2 – 12 = 0
p² – 3p – 10 = 0
(p + 2)(p – 5) = 0
p = -2 atau p = 5
Karena p > 0, maka nilai p yang memenuhi adalah 5
no. 4
∫ 12x(x² – 3)⁵
= 12x . 1/2x . 1/6 . (x² – 3)⁶ + c
= (x² – 3)⁶ + c
no. 5
∫ 6x√(4x – 3) dx ➡ ∫ 6x(4x – 3)^½ dx
misal :
u = 6x ➡ du = 6 dx
dv = (4x – 3)^½ ➡ v = 1/6(4x – 3)^3/2
maka :
u.dv = u.v – ∫ v.du
u.dv = 6x(1/6(4x – 3)^3/2) – ∫ 1/6(4x – 3)^3/2 . 6 dx
u.dv = x(4x – 3)^3/2 – ∫ (4x – 3)^3/2 + c
u.dv = x(4x – 3)^3/2 – 1/10(4x – 3)^5/2 + c
Semoga Bermanfaat