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Diketahui koordinat titik M (2,-5, 1) titik N (3, 1, 0) maka vektor NM adalah ....

Diketahui koordinat titik M(2,-5, 1) titik N(3, 1, 0) maka vektor  adalah ....

  1. begin mathsize 14px style negative straight i with rightwards arrow on top minus 6 straight j with rightwards arrow on top minus straight k with rightwards arrow on top end style

  2. begin mathsize 14px style straight i with rightwards arrow on top plus 6 straight j with rightwards arrow on top plus straight k with rightwards arrow on top end style 

  3. begin mathsize 14px style straight i with rightwards arrow on top minus 6 straight j with rightwards arrow on top plus straight k with rightwards arrow on top end style 

  4. begin mathsize 14px style straight i with rightwards arrow on top plus 6 straight j with rightwards arrow on top minus straight k with rightwards arrow on top end style 

  5. begin mathsize 14px style negative straight i with rightwards arrow on top minus 6 straight j with rightwards arrow on top plus straight k with rightwards arrow on top end style 

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diperoleh begin mathsize 14px style MN with rightwards arrow on top equals negative straight i with rightwards arrow on top minus 6 straight j with rightwards arrow on top plus straight k with rightwards arrow on top end style 

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begin mathsize 14px style NM with rightwards arrow on top equals straight M minus straight N equals open parentheses table row 2 row cell negative 5 end cell row 1 end table close parentheses minus open parentheses table row 3 row 1 row 0 end table close parentheses equals open parentheses table row cell negative 1 end cell row cell negative 6 end cell row 1 end table close parentheses end style 

Jadi diperoleh begin mathsize 14px style MN with rightwards arrow on top equals negative straight i with rightwards arrow on top minus 6 straight j with rightwards arrow on top plus straight k with rightwards arrow on top end style 

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Diketahui titik A(1, 0, –2), B(2, 1, –1), C(2, 0, –3). Sudut antara vektor AB dengan AC adalah ….

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