If the planes x− cy−bz= 0, cx −y+ az= 0 and bx+ ay−z = 0 pass through a straight line then find the value of a2+b2+c2+2abc
Equation of plane passing thorugh the line of intersection of two planes can be given as π1+λπ2=0 is (x−cy−bz)+λ(cx−y+az)=0 and bx +ay -z=0 are indentical