If the planes `x-c y-b z=0,c x=y+a z=0a n db x+a y-z=0` pass through a straight line, then find the value of `a^2+b^2+c^2+2a b c`

If planes x-cy-bz=0,cx-y+az=0 and bx+ay-z=0 pass through a straight line then a^(2)+b^(2)+c^(2)=

If the planes x-cy-bz=0, cx-y+az=0 and bx+ay-z=0 pass through a line, then the value of a^2+b^2+c^2+2abc is

If the planes x-cy-bz=0, cx-y+az=0 and bx+ay-z=0 pass through a line, then the value of a^2+b^2+c^2+2abc is….

If the lines x+a y+a=0,\ b x+y+b=0\ a n d\ c x+c y+1=0 are concurrent, then write the value of 2a b c-a b-b c-c adot

Let 2x-7y+4z-11=0 and -3x-5y+4z-3=0 are two planes .If planes ax+by+cz-7=0 passes through the line of intersection of given planes and point (-2,1,3) , then find the value of 2a+b+c+7

If a plane passes through intersection of planes 2x-y-4=0 and y+2z=4=0 and alos passes through the point (1,1,0) then the equation plane is (A) x-y-z=0 (B) 2x-z=0 (C) x+2z-1=0 (D) x-z-1=0

If ax+13y+bz+c=0 is a plane through the line intersection of 2x+3y-z+1=0, x+y-2z+3=0 and is perpendicular to the plane 3x-y-2z=4 , then the value of 2a+3b+4c is equal to

If a+b=z, c+a=y, b+c=x, x^(2)+y^(2)+z^(2)=50 and xy+yz+zx=47 then find the value of a^(2)+b^(2)+c^(2)+ab+bc+ca .

If x =a, y=b, z=c is a solution of the system of linear equations x + 8y + 7z =0, 9 x + 2y + 3z =0, x + y+z=0 such that point (a,b,c ) lies on the plane x + 2y + z=6, then 2a+ b+c equals