- #1

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The dot product of two vectors are perpendicular if a.b = 0.

Then any vector in R^3 perpendicular to

-5

-6

-3

note: that is a matrix above.

can be written in the form:

and it looks like parameteric forum they want, because they want a column of s and a column of t. but i don't see where i'm suppose to find more numbers.