" The area of the parallelogram formed by the lines "4y-3x-a=0,3y-4x+a=0,4y-3x-3a=0,3y-4x+2a=0" is "

Prove that the area of the parallelogram contained by the lines 4y-3x-a=0,3y-4x+a=0,4y-3x-3a=0 and 3y-4x+2a=0 is ((2)/(7))a^(2)

Prove that the area of the parallelogram contained by the lines 4y-3x-a=0,3y-4x+a=0,4y-3x-3a=0, and 3y-4x+2a=0 is (2/7)a^2dot

Prove that the area of the parallelogram contained by the lines 4y-3x-a=0,3y-4x+a=0,4y-3x-3a=0, and 3y-4x+2a=0 is (2/7)a^2dot

Prove that the area of the parallelogram contained by the lines 4y-3x-a=0,3y-4x+a=0,4y-3x-3a=0, and 3y-4x+2a=0 is (2/7)a^2dot

Prove that the area of the parallelogram contained by the lines 4y-3x-a=0,3y-4x+a=0,4y-3x+3a=0, and 3y-4x+2a=0 is (2/7)a^2dot

Area of the parallelograms formed by the lines 4 y - 3 x-a=0, 3 y-4 x+a =0 4 y-3 x-3 a=0,3 y-4 x+2 a=0

Prove that the area of the parallelogram formed by the lines 3x-4y+a=0,\ 3x-4y+3a=0,\ 4x-3y-a=0 and 4x-3y-2a=0 is (2a^2)/7 sq. units

The area of the parallelogram formed by the lines 2x-3y+a=0, 3x-2y-a=0, 2x-3y+3a=0 and 3x-2y-2a=0 in square units , is

Prove that the area of the parallelogram formed by the lines 3x-4y+a=0,\ 3x-4y+3a=0,\ 4x-3y-a=0\ a n d \4x-3y-2a =0\ i s (2a^2)/7s qdotu n i t sdot

If area of the parallelogram formed by the lines x+3y-a=0, 3x-2y+3a=0, x+3y+4a=0 and 3x-2y+7a=0 is 220 sq. units, then value of a is ________