Rumus-Rumus Integral
1. Rumus Diferrensial
1. Jika f (x) = k maka f’(x) = 0
2. Jika f (x) = x maka f’(x) =
1
3. Jika f (x) = xn
maka f’(x) = n xn-1
4. Jika f (x) = axn
maka f’(x) = n xn-1
5. Jika f (x) = k u(x) maka f’(x) = k u’(x), k = konstanta
6. Jika
f (x) = u(x) -+ v(x) maka f’(x) = u’(x) -+
v’(x)
7. Jika
f (x) = u(x) . v(x) maka f’(x) = u’(x).v(x) + u(x).v’(x)
8. Jika
f (x) = {u(x)}n maka f’(x)
= n[u(x)]n-1 . u’(x)
9. Jika
f (x) = u(x)/v(x), v(x) ≠ 0 maka f’(x) = u’(x).v(x) - u(x).v’(x) / (v(x))2
2. Rumus Dasar Integral Trigonometri
1. ∫
sin x dx = - cos x + c
2.
∫ sin (ax+b) dx = cos (ax+b) + c
3.
∫ cos x dx = sin x + c
4.
∫ cos (ax+b) dx = cos (ax+b) + c
5.
∫ sec2 x dx = tan x + c
6.
∫ cosec2 x dx = - cot x + c
7.
∫ tan x sec x dx = sec x + c
8.
∫ cot x cosec x dx = -cosec x + c
CONTOH
SOAL
1. ∫ 3x3
dx
= 3/3+1
X3+1 + c
= ¾ x4 + c
2. ∫
sin5 x cos x dx
= 1/6
sin6 x + c
3. ∫
cos (5x-1) dx = 1/5 sin (5x-1) +
c
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