Jawab:
Penjelasan dengan langkah-langkah:
vektor
a + b + c = { (2, 3, - 4) + (1 , -2 , -1) + (1 , 3, 3)}
a + b + c = { (2+1 +1) , (3 - 2 + 3) , (-4 - 1 + 3) }
a + b + c = ( 4, 4 , - 2)
|a+b +c| = √(4²+4²+(-2)² ) = √(16 +16+ 4) = √36
|a+b +c| = 6
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Jawab:
Penjelasan dengan langkah-langkah:
vektor
a + b + c = { (2, 3, - 4) + (1 , -2 , -1) + (1 , 3, 3)}
a + b + c = { (2+1 +1) , (3 - 2 + 3) , (-4 - 1 + 3) }
a + b + c = ( 4, 4 , - 2)
|a+b +c| = √(4²+4²+(-2)² ) = √(16 +16+ 4) = √36
|a+b +c| = 6