Roboguru

Perhatikan gambar berikut. b. Tentukan hasil operasi .

Pertanyaan

Perhatikan gambar berikut.

b. Tentukan hasil operasi 2 top enclose u minus 3 top enclose v plus top enclose w.

Pembahasan Soal:

Perhatikan gambar berikut.

Misalkan titik pojok kiri bawah adalah O open parentheses 0 comma 0 close parentheses. Sehingga diperoleh A open parentheses 2 comma 5 close parentheses comma B open parentheses 7 comma 3 close parentheses, dan C open parentheses 4 comma 8 close parentheses. Berakibat

table attributes columnalign right center left columnspacing 0px end attributes row cell u with rightwards arrow on top end cell equals AC row blank equals cell straight C minus straight A end cell row blank equals cell open parentheses 4 comma 8 close parentheses minus open parentheses 2 comma 5 close parentheses end cell row blank equals cell open parentheses 2 comma 3 close parentheses end cell row blank blank blank row cell v with rightwards arrow on top end cell equals AB row blank equals cell straight B minus straight A end cell row blank equals cell open parentheses 7 comma 3 close parentheses minus open parentheses 2 comma 5 close parentheses end cell row blank equals cell open parentheses 5 comma negative 2 close parentheses end cell row blank blank blank row cell w with rightwards arrow on top end cell equals BC row blank equals cell straight C minus straight B end cell row blank equals cell open parentheses 4 comma 8 close parentheses minus open parentheses 7 comma 3 close parentheses end cell row blank equals cell open parentheses negative 3 comma 5 close parentheses end cell end table

Jadi, u with rightwards arrow on top equals open parentheses 2 comma negative 3 close parenthesesv with rightwards arrow on top equals open parentheses 5 comma negative 2 close parentheses, dan w with rightwards arrow on top equals open parentheses negative 3 comma 5 close parentheses.

Hasil operasi 

table attributes columnalign right center left columnspacing 0px end attributes row cell 2 top enclose u minus 3 top enclose v plus top enclose w end cell equals cell 2 open parentheses 2 comma 3 close parentheses minus 3 open parentheses 5. negative 2 close parentheses plus open parentheses negative 3 comma 5 close parentheses end cell row blank equals cell open parentheses 4 comma 6 close parentheses minus open parentheses 15 comma negative 6 close parentheses plus open parentheses negative 3 comma 5 close parentheses end cell row blank equals cell open parentheses negative 14 comma 17 close parentheses end cell end table

Jadi, 2 top enclose u minus 3 top enclose v plus top enclose wequals open parentheses negative sign 14 comma 17 close parentheses.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 06 Mei 2021

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