Seudónimo
Seudónimo
09-12-2020
Mathematics
contestada
Find a · b.
a = 5i + 4j − k, b = −4i + 9k
Respuesta :
donutsncookies
donutsncookies
09-12-2020
Answer
a · b= the square root of b(5i + 4j - k) divided by b
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