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Sistem Informasi- UPN[V]Yk 1 Kalkulus (1240033) Pertemuan Ke-9 Turunan Juwairiah, S.Si,M.T ([email protected])

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Sistem Informasi- UPN[V]Yk 1

Kalkulus (1240033)

Pertemuan Ke-9 Turunan

Juwairiah, S.Si,M.T

([email protected])

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Sub Pokok Bahasan Turunan Fungsi Implisit Turunan Fungsi secara Logaritmis Turunan Fungsi Parameter

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Kompetensi Khusus Mahasiswa mampu menyelesaikan

berbagai turunan fungsi

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TURUNAN FUNGSI IMPLISIT Fungsi eksplisit :

Fungsi implisit :

Kunci Penyelesaian :

1. Semua turunan y selalu diikuti dengan dy/dx

2. Mengikuti aturan turunan

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Contoh :

1)Tentukan dari persamaan

Jawab :

)()7( 33 xdx

dyy

dx

d

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2)Cari jika :

Jawab :

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3)Cari jika

Jawab : )0()10( 423

dt

dyytt

dt

d

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4) Cari jika

Jawab :

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TURUNAN FUNGSI SECARA LOGARITMIS

Diketahui : , tentukan

=

Kedua sisi diturunkan ;

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Contoh :

= ]

1) y = ( x +1)x

2)

]sec

.sin)ln(..[cos)(2

sin

xtg

xxxtgxxtg

dx

dy x

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TURUNAN FUNGSI PARAMETER

Jika :

Maka :

Dan :

Turunan ke-2

Turunan ke -1

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Contoh : 1)Diketahui :

Maka

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=

= - = -

2)

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Referensi Purcell, Varberg, Kalkulus dan Geometri

Analitis, Penerbit Erlangga, 1993 Frank Ayres, Calculus, Mc.Graw Hill, New

York, 1972 J.Salas and Hill, Calculus One and Several

Variables, John Willey& Sons, NewYork, 1982