For which value of `lambda`,.. given planes 4X+6Y-2Z=8` and `2X+3Y+ 2`lambda`Z=12` are parallel?

For which value of lambda two planes 4x+6y-2z=8 and 2x+3y+ 2 lambda z=12 are parallel?

For which value of lambda , plane 4x + 6y -2z =8 and 2x+3y+ lambda z= 12 are parallel?

Find the value of lambda for which the planes 2x-4y+3z=7 and x+2y+lambdaz=18 are perpendicular to each other.

What is the value of lambda if the straight line (2x + 3y +4) +lambda (6x - y + 12)=0 is parallel to y axis?

Find the value of lambda , if the line x - 3y + 4 + lambda (8x - 3y + 2) = 0 is parallel to the X-axis .

The value of the lambda if the lines (2+3y+4)+lambda(6x-y+12)=0 are

Investigate for what values of lambda,mu the simultaneous equations x+y+z=6:x+2y+3z=100:x+2y+lambda z=mu have:

Find the value of lambda for which the line (x-1)/2=(y-1)/3=(z-1)/lambda is parallel to the plane vecr.(2hati+3hatj+4hatk)=4 .

Discuss for all values of lambda , the system of equations x+y+4z =6, x+2y-2z =6, lambda x+ y+z=6 as regards existances and natures of solutions.