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Hasil Perkalian Silang ( cross ) Vektor A ( 2 i ⃗– 6 j ⃗ + 3 k ⃗ ) dengan Vektor B ( 3 i ⃗ + 5 j ⃗ − 4 k ⃗ ) dengan metode matriks adalah...

Hasil Perkalian Silang ( cross ) Vektor A  dengan Vektor B  dengan metode matriks adalah...

  1. begin mathsize 14px style left parenthesis space 2 i space ⃗ plus 44 space j space ⃗ plus space 16 space k space ⃗ space right parenthesis space end style                                                             

  2. begin mathsize 14px style left parenthesis negative 2 i space ⃗ plus 13 space j space ⃗ plus space 28 space k space ⃗ right parenthesis end style                                                                    

  3. begin mathsize 14px style left parenthesis space 9 i space ⃗ plus 17 space j space ⃗ plus space 28 space k space ⃗ right parenthesis end style                                         

  4. begin mathsize 14px style left parenthesis negative 7 i space ⃗ plus 13 space j space ⃗ plus space 28 space k space ⃗ right parenthesis end style                                        

  5. begin mathsize 14px style left parenthesis negative 6 i space ⃗ plus 44 space j space ⃗ plus 16 space k space ⃗ right parenthesis end style                  

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F. Afrianto

Master Teacher

Mahasiswa/Alumni Institut Teknologi Bandung

Jawaban terverifikasi

Jawaban

 size 12px A size 12px space size 12px x size 12px space size 12px B size 12px space size 12px equals size 12px space size 12px left parenthesis size 12px space size 12px 9 size 12px i size 12px space size 12px ⃗ size 12px plus size 12px 17 size 12px space size 12px j size 12px space size 12px ⃗ size 12px plus size 12px space size 12px 28 size 12px space size 12px k size 12px space size 12px ⃗ size 12px right parenthesis size 12px space                  

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Pembahasan

Mencari nilai Mencari nilai Mencari nilai Sehingga

Mencari nilai begin mathsize 12px style space i space ⃗ end style         

begin mathsize 14px style table row cell negative 6 end cell 3 row 5 cell negative 4 end cell end table space equals space left parenthesis space 24 space minus 15 space right parenthesis space equals space 9 i space ⃗ end style               

Mencari nilai size 12px space size 12px j size 12px space size 12px ⃗         

table row size 14px 3 size 14px 2 row cell size 14px minus size 14px 4 end cell size 14px 3 end table size 14px space size 14px space size 14px equals size 14px space size 14px left parenthesis size 14px space size 14px 9 size 14px space size 14px minus size 14px space size 14px left parenthesis size 14px minus size 14px 8 size 14px right parenthesis size 14px space size 14px equals size 14px space size 14px 17 size 14px j size 14px space size 14px ⃗ size 14px space size 14px space      

Mencari nilai begin mathsize 12px style space k space ⃗ end style          

begin mathsize 14px style table row 2 cell negative 6 end cell row 3 5 end table space space equals space left parenthesis space 10 space minus space minus 18 right parenthesis space equals space 28 k space ⃗ space end style     

Sehingga size 12px A size 12px space size 12px x size 12px space size 12px B size 12px space size 12px equals size 12px space size 12px left parenthesis size 12px space size 12px 9 size 12px i size 12px space size 12px ⃗ size 12px plus size 12px 17 size 12px space size 12px j size 12px space size 12px ⃗ size 12px plus size 12px space size 12px 28 size 12px space size 12px k size 12px space size 12px ⃗ size 12px right parenthesis size 12px space                  

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