Tolong dijawab sebisa mungkin dengan caranya yang lengkap. Terima kasih.
Matematika
NadChan
Pertanyaan
Tolong dijawab sebisa mungkin dengan caranya yang lengkap. Terima kasih.
2 Jawaban
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1. Jawaban DB45
turunan
1. f(x) = x²√x = x⁵/²
f'(x)= 5/2 x ³/² = 2 ¹/₂ x√x
2. f(x) = -4x⁻²
f '(x)= 8 x⁻³
3. f(x) = 2/x² = 2 x⁻²
f'(x)= -4 x⁻³
4. f(x)= x∛x = x⁴/³
f'(x)=4/3 x¹/³ =1¹/₃ ∛x
5. y= 3/x = 3. x⁻¹
dy/dx = -3 x⁻² = - 3/x²
6. y = 6√x /x² = 6.x⁻².x¹/² = 6 x⁻³/²
y' = -9 x⁻¹/²
y = -9/√x = -9√x / x²
7. y =4√x/ (x)
y = 4.x⁻¹.x¹/² = 4. x⁻¹/²
y' = -2 x⁻³/²
y' = -2/(x√x) = -2√x / x² -
2. Jawaban whongaliem
1) f (x) = x².√x
f (x) = x² .x^1/2
f (x) = x^5/2
f'(x) = 5/2 x^3/2
= 2 1/2 x . x^1/2
= 2 1/2 x.√x .... jawaban : C
2) f (x) = - 4x^-2
= 8x^-3 ... jawaban : D
3) f (x) = 2/x²
= 2.x^-2
= - 4.x^-3 .... jawaban : D
4) f (x) = x .∛x
= x. x^1/3
= x^4/3
= 4/3 .x^(1/3)
= 1 1/3 ∛x ...... jawaban : C
5) y = 3/x
y = 3 .x^-1
dy/dx = - 3 .x^-2
= - 3 / x² .... jawaban : E
7) f (x) = (4√x) / x
= 4 .x^(1/2) .x^-1
= 4 .x^(- 1/2)
= - 2 x^(- 3/2)
= - 2 / x^(3/2)
= - 2 / x .x^1/2
= - 2 / (x√x)
= - (2√x) / x² ... jawaban : D