- #1
atavistic
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I kinda remember some identity which goes as follows:
If [tex]a,b,c[/tex] are coplanar, non collinear vectors then
[tex]\alpha a + \beta b + \gamma c = 0[/tex]
=> [tex]\alpha + \beta + \gamma = 0[/tex]
or something like this. Can someone help me remember.
If [tex]a,b,c[/tex] are coplanar, non collinear vectors then
[tex]\alpha a + \beta b + \gamma c = 0[/tex]
=> [tex]\alpha + \beta + \gamma = 0[/tex]
or something like this. Can someone help me remember.