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Verified answer
vektor
a = < 2 -3 3 > dan
b = < 3 -2 -4 >
nilai hasil kali titik a dan b adalah
a·b = < 2 -3 3 > · < 3 -2 -4 >
a·b = 2*3 + (-3)*(-2) + 3*(-4) = 0
karena hasil kali a dan b nol, maka a dan b saling tegak lurus,
artinya sudut antara vektor a dan vektor b adalah 90°
semoga membantu
Verified answer
Mapel : MatematikaMateri : Vektor
Sub Materi : Sudut Vektor
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a × b = ( 2 × 3 ) + ( - 3 × - 2 ) + ( 3 × - 3 )
a × b = 6 + 6 + ( - 12 ) = 0 = cos tetha
a × b = 0 = cos tetha
a × b = tetha = 90° ✔️
Semoga bermanfaat.....
-Prisco