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Diberikan u⇀=(3−1​), v⇀=(14​), dan w⇀=(−7−7​). Tentukan a⇀=u⇀+v⇀+w⇀.

Pertanyaan

Diberikan begin mathsize 14px style u with rightwards harpoon with barb upwards on top equals open parentheses table row 3 row cell negative 1 end cell end table close parentheses end stylebegin mathsize 14px style v with rightwards harpoon with barb upwards on top equals open parentheses table row 1 row 4 end table close parentheses end style, dan begin mathsize 14px style w with rightwards harpoon with barb upwards on top equals open parentheses table row cell negative 7 end cell row cell negative 7 end cell end table close parentheses end style. Tentukan begin mathsize 14px style a with rightwards harpoon with barb upwards on top equals u with rightwards harpoon with barb upwards on top plus v with rightwards harpoon with barb upwards on top plus w with rightwards harpoon with barb upwards on top end style.

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A. Acfreelance

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Pembahasan

Penjumlahan vektor

begin mathsize 14px style a with rightwards harpoon with barb upwards on top equals left parenthesis x subscript a comma space y subscript a right parenthesis end style dan begin mathsize 14px style b with rightwards harpoon with barb upwards on top equals open parentheses x subscript b comma space y subscript b 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 left parenthesis x subscript a plus x subscript b comma space y subscript a plus y subscript b right parenthesis end style.

 begin mathsize 14px style u with rightwards harpoon with barb upwards on top equals open parentheses table row 3 row cell negative 1 end cell end table close parentheses end stylebegin mathsize 14px style v with rightwards harpoon with barb upwards on top equals open parentheses table row 1 row 4 end table close parentheses end style, dan begin mathsize 14px style w with rightwards harpoon with barb upwards on top equals open parentheses table row cell negative 7 end cell row cell negative 7 end cell end table close parentheses end style.

begin mathsize 14px style a with rightwards harpoon with barb upwards on top equals u with rightwards harpoon with barb upwards on top plus v with rightwards harpoon with barb upwards on top plus w with rightwards harpoon with barb upwards on top end style

begin mathsize 14px style a with rightwards harpoon with barb upwards on top equals open parentheses table row cell 3 plus 1 plus left parenthesis negative 7 right parenthesis end cell row cell negative 1 plus 4 plus left parenthesis negative 7 right parenthesis end cell end table close parentheses equals open parentheses table row cell negative 3 end cell row cell negative 4 end cell end table close parentheses end style.

Diperoleh begin mathsize 14px style a with rightwards harpoon with barb upwards on top equals open parentheses table row cell negative 3 end cell row cell negative 4 end cell end table close parentheses end style.

73

4.8 (5 rating)

Pertanyaan serupa

Diketahui matriks P=(2−1​−36​), Q=(−28​52​), dan R=(54​1−2​). Tentukan: b. Q−P

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