Equation of plane passing through the point of intersection of x−y+z−5=0 and 2x+y−z−3=0 is x−y+z−5+λ(2x+y−z−3)=0π is passing through (0,1,2). ‌0−1+2−5+λ(0+1−2−3)=0 ‌⇒‌‌−4+λ(−4)=0 ‌⇒‌‌−4−4λ=0 ‌⇒‌‌1+λ=0 ‌⇒‌‌λ=−1 ‌⇒x−y+z−5−1(2x+y−z−3)=0 ‌−x−2y+2z−2=0 ‌x+2y−2z+2=0 ‌r⋅(