[" If the image of the point "(1,-2,3)" in "],[" the plane "2x+3y-z=7" is the point "],[(alpha,beta,gamma)" then the value of "alpha+beta+gamma=],[[" (1) "-6]]

If the image of the point ( 1,-2,3) in the plane 2x + 3y -z =7 is the point ( alpha, beta , gamma ), then the value of alpha + beta + gamma is equal to

If the mirror image of the point P(3, 4, 9) in the line (x-1)/3=(y+1)/2=(z-2)/1 is (alpha, beta) then the value of 14(alpha+beta+gamma) is.

Mirror image of point (1,3,5) w.r.t plane 4x-5y+2z=8 is (alpha,beta,gamma) then 5(alpha+beta+gamma)

Find the the image of the point (alpha, beta, gamma) with respect to the plane 2x+y+z=6 .

Find the the image of the point (alpha, beta, gamma) with respect to the plane 2x+y+z=6 .

The foot of perpendicular from (1,2,6) to line (x-3)/(2)=(y+1)/(2)=(z-1)/(-1) is the point (alpha,beta,gamma) then (alpha+beta+gamma)=

If the system of linear equations given by x+y+z=3 2x+y-z=3 x+y-z=1 is consistent and if (alpha ,beta,gamma) is a solution then 2alpha+2beta+gamma = ______

If alpha,beta and gamma are roots of x^(3) -2x+1=0,then the value of Sigma((1)/(alpha+beta-gamma)) is

Let alpha , beta , gamma , delta be real numbers such that alpha^(2) +beta^(2) +gamma^(2) != 0 and alpha +gamma = 1 . Supose the point (3,2,-1) is the mirror image of the point (1,0,-1) with respect to the planet alphax + beta y + gammaz = delta . Then which of the following statements is/are TRUE ?