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anonymous
 3 years ago
Area of a parallelogram a= [1,4], = [3,5]
anonymous
 3 years ago
Area of a parallelogram a= [1,4], = [3,5]

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0is there supposed to be a b = [3,5]

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1magnitude of the cross product i think is a way to determine it

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1ab sin(t); where t is the angle between a and b

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1\[sin(t)=\frac{axb}{ab}\] so yeah, the magnitude of the cross product

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0@amistre64 how can i do the cross product when only x and y are given ?

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1a= [1,4], = [3,5] x 1 3 y 4 5 z 0 0 x = 00 y = 00 z = 5+12 the magnitude of [0, 0, 7 ] = 7

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1of course the cross of R^2 simplifies as the determinant

amistre64
 3 years ago
Best ResponseYou've already chosen the best response.1my teacher did an R^2 cross a few semesters ago, and I was like, aint it just the determinant? and she was like or just plug in z=0 :)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0yeah i think its easier to plug in the zero :P
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