A =4i + 3j – 2k
B =7i +2j +5k
tentukan hasil A x B ??
Diberiian dua buah vektor masing masing :
( 4i + 3j – 2k ) x ( 7i + 2j +5k ) = 28i + 6j – 10k
(4i+3j-2k)(7i+2j+5k)
=28i²+8ij+20ik+21ij+6j²+15jk-2ik-4jk-10k²
=28i²+29ij+18ik+6j²+11jk-10k²
A =4i + 3j – 2k
B =7i +2j +5k
tentukan hasil A x B ??
Diberiian dua buah vektor masing masing :
( 4i + 3j – 2k ) x ( 7i + 2j +5k ) = 28i + 6j – 10k
(4i+3j-2k)(7i+2j+5k)
=28i²+8ij+20ik+21ij+6j²+15jk-2ik-4jk-10k²
=28i²+29ij+18ik+6j²+11jk-10k²