Did doberiner's triads also exist in the columns of newlands's octaves? Compare and find out.

On comparing the ratios (a_1)/(a_2), (b_1)/b_2 and (c_1)/(c_2) find out whether the lines representing the following pairs of linear equations are consistent , or inconsistent . : 5x-3y=11, -10x+6y=-22.

On comparing the ratios (a_1)/(a_2), (b_1)/b_2 and (c_1)/(c_2) find out whether the lines representing the following pairs of linear equations are consistent , or inconsistent . : 3x+2y=5, 2x-3y=7 .

On comparing the ratios (a_1)/(a_2), (b_1)/b_2 and (c_1)/(c_2) find out whether the lines representing the following pairs of linear equations are consistent , or inconsistent . : 4/3x+2y=8,2x+3y=12.

On comparing the ratios (a_1)/(a_2), (b_1)/b_2 and (c_1)/(c_2) find out whether the lines representing the following pairs of linear equations are consistent , or inconsistent . : 3/2x+5/3y=7,9x-10y=14 .

On comparing the ratios (a_1)/(a_2), (b_1)/b_2 and (c_1)/(c_2) find out whether the lines representing the following pairs of linear equations are consistent , or inconsistent . : 2x-3y=8, 4x-6y=9 .

On comparing the ratios (a_1)/(a_2), (b_1)/(b_2), (c_1)/(c_2) and without drawing them, find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincide. Also, find out whether the following pair of linear equations are consistent or inconsistent : 3x-4y=1 8y-6x=4 .

On comparing the ratios (a_1)/(a_2), (b_1)/(b_2), (c_1)/(c_2) and without drawing them, find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincide. Also, find out whether the following pair of linear equations are consistent or inconsistent : 2y-x=3 2x+3y=1 .

On comparing the ratios (a_1)/(a_2), (b_1)/(b_2), (c_1)/(c_2) and without drawing them, find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincide. Also, find out whether the following pair of linear equations are consistent or inconsistent : 3x-4y=-7 3x-4y=-9 .

On comparing the ratios (a_1)/(a_2), (b_1)/(b_2), (c_1)/(c_2) and without drawing them, find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincide. Also, find out whether the following pair of linear equations are consistent or inconsistent : 6x-21y+12=0 10x-35y+20 = 0 .