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Diketahui  dan   Tentukanlah vektor hasil operasi...

Diketahui begin mathsize 14px style u with rightwards harpoon with barb upwards on top equals open parentheses table row cell negative 7 end cell row 3 end table close parentheses end style dan begin mathsize 14px style v with rightwards harpoon with barb upwards on top equals open parentheses table row 6 row 5 end table close parentheses end style 

Tentukanlah vektor hasil operasi berikut: begin mathsize 14px style u with rightwards harpoon with barb upwards on top plus v with rightwards harpoon with barb upwards on top end style.

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  2. undefined 

Jawaban:

Misalkan begin mathsize 14px style a with rightwards harpoon with barb upwards on top equals open parentheses table row cell x subscript 1 end cell row cell y subscript 1 end cell end table close parentheses end style dan begin mathsize 14px style b with rightwards harpoon with barb upwards on top equals open parentheses table row cell x subscript 2 end cell row cell y subscript 2 end cell end table close parentheses end style, maka

begin mathsize 14px style a with rightwards harpoon with barb upwards on top plus b with rightwards harpoon with barb upwards on top equals open parentheses table row cell x subscript 1 end cell row cell y subscript 1 end cell end table close parentheses plus open parentheses table row cell x subscript 2 end cell row cell y subscript 2 end cell end table close parentheses equals open parentheses table row cell x subscript 1 plus x subscript 2 end cell row cell y subscript 1 plus y subscript 2 end cell end table close parentheses end style

Diketahui begin mathsize 14px style u with rightwards harpoon with barb upwards on top equals open parentheses table row cell negative 7 end cell row 3 end table close parentheses end style dan begin mathsize 14px style v with rightwards harpoon with barb upwards on top equals open parentheses table row 6 row 5 end table close parentheses end style, maka

begin mathsize 14px style u with rightwards harpoon with barb upwards on top plus v with rightwards harpoon with barb upwards on top equals open parentheses table row cell negative 7 end cell row 3 end table close parentheses plus open parentheses table row 6 row 5 end table close parentheses equals open parentheses table row cell negative 7 plus 6 end cell row cell 3 plus 5 end cell end table close parentheses equals open parentheses table row cell negative 1 end cell row 8 end table close parentheses end style

Dengan demikian vektor hasil operasi dari begin mathsize 14px style u with rightwards harpoon with barb upwards on top plus v with rightwards harpoon with barb upwards on top equals open parentheses table row cell negative 1 end cell row 8 end table close parentheses end style.

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