Find the equation of the plane which is perpendicular tox−axis and that passes through the point (2,−1,3).
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Solution
Equation of plane passing through point (2,−1,3)a(x−2)+b(y+1)+c(z−3)=0 ∵ Plane is perpendicular to T−axis ∴b=0,c=0 Hence required equation of plane a(x−2)+0(y+1)+0(z−3)=0 ⇒(x−2)=0 ⇒x−2=0 (∵a≠0)