minta tolong dibantu ya kak
**A. Menentukan Diferensial**
**1. f(x) = (p+2)x^3 + (q-3)x^2 - (2r+1)x + 12**
Diferensial dari f(x) adalah:
f'(x) = 3(p+2)x^2 + 2(q-3)x - (2r+1)
**2. f(x) = (p-2)x^4 - (q+3)x^3 + (2r-1)x^2 - 12x + 10**
Diferensial dari f(x) adalah:
f'(x) = 4(p-2)x^3 - 3(q+3)x^2 + 2(2r-1)x - 12
**B. Menentukan Integral**
**1. ∫[(2p+3)x^3 + (q-5)x^2 - (3-2r)x + 3]dx**
Integral dari fungsi tersebut adalah:
(1/4)(2p+3)x^4 + (1/3)(q-5)x^3 - (1/2)(3-2r)x^2 + 3x + C
**2. ∫[(p+2)x^2 + (q+5)x - (3r+2)]dx**
Integral dari fungsi tersebut adalah:
(1/3)(p+2)x^3 + (1/2)(q+5)x^2 - (3r+2)x + C
**3. ∫_1^2 [(2p+1)x^2 + (q-5)x + (3-2r)]dx**
Integral tentu dari fungsi tersebut adalah:
[(2/3)(2p+1)x^3 + (1/2)(q-5)x^2 + (3-2r)x]_1^2
= [(16/3)(2p+1) + 2(q-5) + 2(3-2r)] - [(2/3)(2p+1) + (1/2)(q-5) + (3-2r)]
= (14/3)(2p+1) + (3/2)(q-5) + (3-2r)
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