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NotTim
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Given the vector a=[4.1,7], b=[2,0,3], and c=[1,1,5], simplify b*(a+c).
Cartesian Vectors of a Vectors Unit.
 2 years ago
 2 years ago
NotTim Group Title
Given the vector a=[4.1,7], b=[2,0,3], and c=[1,1,5], simplify b*(a+c). Cartesian Vectors of a Vectors Unit.
 2 years ago
 2 years ago

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NotTim Group TitleBest ResponseYou've already chosen the best response.1
My answer is [6,0,36]
 2 years ago

NotTim Group TitleBest ResponseYou've already chosen the best response.1
Correct answer is 42.
 2 years ago

gmer Group TitleBest ResponseYou've already chosen the best response.2
so, its b dot (a+c)?
 2 years ago

gmer Group TitleBest ResponseYou've already chosen the best response.2
a + c = [3, 0, 12]
 2 years ago

gmer Group TitleBest ResponseYou've already chosen the best response.2
[3, 0, 12] dot [2, 0, 3] = 3(2) + 0(0) + 3(12) = 42
 2 years ago

NotTim Group TitleBest ResponseYou've already chosen the best response.1
So I only add at the very end right?
 2 years ago

gmer Group TitleBest ResponseYou've already chosen the best response.2
add a and b first, then take the dot product with c
 2 years ago
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