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Pertanyaan

Perhatikan gambar berikut. Dengan menggunakan gambar di atas, buktikanlah: a. ∣ ∣ ​ PP 2 ​ ​ ∣ ∣ ​ = 2 ⋅ ∣ ∣ ​ x 1 ​ x 2 ​ ​ ∣ ∣ ​

Perhatikan gambar berikut.

Dengan menggunakan gambar di atas, buktikanlah:

a.  

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G. Albiah

Master Teacher

Mahasiswa/Alumni Universitas Galuh Ciamis

Jawaban terverifikasi

Jawaban

terbukti.

 begin mathsize 14px style open vertical bar stack PP subscript 2 with rightwards arrow on top close vertical bar equals 2 times open vertical bar stack x subscript 1 x subscript 2 with rightwards arrow on top close vertical bar end style terbukti.

Pembahasan

Jadi, terbukti.

table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar stack PP subscript 2 with rightwards arrow on top close vertical bar end cell equals cell 2 times open vertical bar stack x subscript 1 x subscript 2 with rightwards arrow on top close vertical bar end cell row blank equals cell open vertical bar stack P x subscript 1 with rightwards arrow on top close vertical bar plus open vertical bar stack x subscript 1 P subscript 1 with rightwards arrow on top close vertical bar plus open vertical bar stack P subscript 1 x subscript 2 with rightwards arrow on top close vertical bar plus open vertical bar stack x subscript 2 P subscript 2 with rightwards arrow on top close vertical bar end cell row blank equals cell open vertical bar stack x subscript 1 x subscript 2 with rightwards arrow on top close vertical bar plus open vertical bar stack x subscript 1 P subscript 1 with rightwards arrow on top close vertical bar plus open vertical bar stack P subscript 1 x subscript 2 with rightwards arrow on top close vertical bar end cell row blank equals cell open vertical bar stack x subscript 1 x subscript 2 with rightwards arrow on top close vertical bar plus open vertical bar stack x subscript 1 x subscript 2 with rightwards arrow on top close vertical bar end cell row blank equals cell 2 times open vertical bar stack x subscript 1 x subscript 2 with rightwards arrow on top close vertical bar space left parenthesis terbukti right parenthesis end cell end table


Jadi, begin mathsize 14px style open vertical bar stack PP subscript 2 with rightwards arrow on top close vertical bar equals 2 times open vertical bar stack x subscript 1 x subscript 2 with rightwards arrow on top close vertical bar end style terbukti.

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