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Pada jajargenjang di atas, A B ⇀ mewakili u ⇀ dan A D ⇀ mewakili v ⇀ . Sederhanakan persamaan berikut dan nyatakan ke dalam dan . a. A P ⇀

Pada jajargenjang di atas,  mewakili  dan  mewakili . Sederhanakan persamaan berikut dan nyatakan ke dalam begin mathsize 14px style u with rightwards harpoon with barb upwards on top end style dan begin mathsize 14px style v with rightwards harpoon with barb upwards on top end style.

a. 

  1. begin mathsize 14px style horizontal ellipsis end style 

  2. begin mathsize 14px style horizontal ellipsis end style 

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M. Mariyam

Master Teacher

Mahasiswa/Alumni Institut Pertanian Bogor

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Pembahasan

Pada jajargenjang di atas, mewakili dan mewakili . Sederhanakan persamaan berikut dan nyatakan ke dalam dan . a. Jawab :karena merupakan titik potong pada diagonal jajargenjang, maka terletak di tengah diagonal dan , berdasarkan gambar di atas, sejajar dengan , artinya sehingga

Pada jajargenjang di atas, begin mathsize 14px style stack A B with rightwards harpoon with barb upwards on top end style mewakili begin mathsize 14px style u with rightwards harpoon with barb upwards on top end style dan begin mathsize 14px style stack A D with rightwards harpoon with barb upwards on top end style mewakili begin mathsize 14px style v with rightwards harpoon with barb upwards on top end style. Sederhanakan persamaan berikut dan nyatakan ke dalam begin mathsize 14px style u with rightwards harpoon with barb upwards on top end style dan begin mathsize 14px style v with rightwards harpoon with barb upwards on top end style.

a. begin mathsize 14px style stack A P with rightwards harpoon with barb upwards on top end style

  Jawab : karena undefined merupakan titik potong pada diagonal jajargenjang, maka undefined terletak di tengah diagonal undefined dan undefined 

   begin mathsize 14px style stack A B with rightwards harpoon with barb upwards on top equals u with rightwards harpoon with barb upwards on top space dan space stack A D with rightwards harpoon with barb upwards on top equals v with rightwards harpoon with barb upwards on top end style , berdasarkan gambar di atas, begin mathsize 14px style stack B C with rightwards harpoon with barb upwards on top end style sejajar dengan begin mathsize 14px style stack A D with rightwards harpoon with barb upwards on top end style, artinya begin mathsize 14px style stack B C with rightwards harpoon with barb upwards on top equals v with rightwards harpoon with barb upwards on top end style 

  sehingga

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell stack A P with rightwards harpoon with barb upwards on top end cell equals cell 1 half stack A C with rightwards harpoon with barb upwards on top end cell row blank equals cell 1 half open parentheses stack A B with rightwards harpoon with barb upwards on top plus stack B C with rightwards harpoon with barb upwards on top close parentheses end cell row blank equals cell 1 half open parentheses u with rightwards harpoon with barb upwards on top plus v with rightwards harpoon with barb upwards on top close parentheses end cell end table end style 

 

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