tolong bantu diselesaikan kk beserta caranya

f(x) = 2/x = 2 x^(-1)
Diturunkan -> f’(x) = -2x^(-2) = Fungsi gradien ny
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Berapa pun X nya = f'(x) selalu negatif artinya gradien selalu negatif, dan fungsinya decreasing
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Pers garis singgung itu (y -y1) = m (x-x1) pada (2, -1)
Gradien = -2/(2)^2 = -1/2
y +1 = -1/2(x-2), 2y +2 = -x +2, 2y = -x, y = -1/2(x)
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Utk garis normal, beda di m saja
gradien normal = 2
karena m pgs x m normal = -1
jadi -1/2 x m normal = -1, m normal = 2

Masukin y +1 = -2(x-2), garis normal = y +2x = 4
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Semoga membantu!!

y = 2/x = 2x^-1
y' = m= -2x^-2 = -2/x²
m slalu negatif karena x² pangkat genap yg slalu positif
a) x = 2
m = -2/2² = -1/2
y = 2/2 = 1
titik (2, 1)
y - y1 = m(x - x1)
y- 1 = -(1/2)(x - 2)
2y - 2 = -(x - 2)
2y = -x + 4
garis normal m1= -1/x =-1/(-1/2) = 2
y - 1 = 2(x - 2)
y = 2x - 3

demikian juga yg b, mirip²....