Prove that the following sets of three lines are concurrent: `15 x-18 y+1=0,\ 12 x+10 y-3=0\ a n d\ 6x+66 y-11=0.`

Prove that the following sets of three lines are concurrent: 15x-18y+1=0,12x+10y-3=0 and 6x+66y-11=0

Prove that the following sets of three lines are concurrent: x/a+y/b=1, x/b+y/a=1\ a n d\ y=x

Prove that the following sets of three lines are concurrent: (x)/(a)=(y)/(b)=1,(x)/(b)+(y)/(a)=1 and y=x

Find if the following lines are concurrent. 5x-3y-4=0, x-5y+7=0, 6x-17y+24=0

Find if the following lines are concurrent. 5x-3y-4=0, x-5y+7=0, 6x-17y+24=0

Prove that the following lines are concurrent. (i)5x-3y=1 , 2x+3y=23 , 42x+21y=257 (ii) 2x+3y-4=0 , x-5y+7=0 , 6x-17y+24=0

Prove that the following lines are concurrent. Also, find the point of concurrence : 2x+3y-4=0,x-5y+ 7=0, 6x- 17y + 24=0 .

Prove that the following lines are concurrent also find the point of concurrency. 3x-4y+5=0 " ...(1)" 7x-8y+5=0 " ...(2)" " "4x+5y=45 " ...(3)"

Prove that the lies 3x+y-14=0,x-2y=0 nad 3x-8y+4=0 are concurrent.