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## Homework Statement

Find the equation of the plane containing P(2,1,-1) and the line with equation

x=2+t

y=4

z=-1+t

## Homework Equations

Cross product

## The Attempt at a Solution

I understand that I need to find t and then solve for two points on the line, then find the cross product of both points with point P. I'm just confused as to how to determine the value for t, is it just arbitrary or is there a certain method that needs to be used in order to solve for the two values that I need?

Thanks!