joordan
joordan
08-03-2021
Mathematics
contestada
Find a ⋅ b.
a = 9i + 5j, b = 4i + 3j
Respuesta :
maniprincess800
maniprincess800
08-03-2021
Answer:
Step-by-step explanation:
51
<13, 8>
<36, 15>
-21
Answer Link
halleeyyy11
halleeyyy11
08-03-2021
9i+5j x 4i+3j
Factor
=9i+20ij+3j
= (9+20j)i+3j
=3j+(9+20j)i =answer
Answer Link
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