Simplify `(1.5x-4y)(1.5x+4y+3)-4.5x+12y`

The equation of the plane in which the lines (x-5)/4 = (y-7)/4 = (z+3)/-5 and (x-8)/7 = (y-4)/1 = (z-5)/3 lie is

Solve using cross multiplication method : 5x+4y-4=0 x-12y-20=0

Solve system of linear equations , using matrix method x-y+2z=7 3x+ 4y-5z=-5 2x-y+3z=12

Solve the following system of linear equations by matrix method. x-y+2z=7 3x+4y-5z=-5 2x-y+3z=12

Solve for x and y: 0.4x-1.5y=6.5, 0.3x+0.2y=0.9

Solve the following system of inequalities graphically 5x+4y le 40" "…(1) x ge 2" "…(2) y ge 3" "…(3)

Examine the consistency of the system of equations 5x-y+4z =5 2x+ 3y + 5z =2 5x-2y + 6z =-1

If [(2x+y,4x),(5x-7,4x)]= [ (7,7y-13),(y ,x+6)] , then the value of x and y is :

If y = sqrt(((x-1)(x-2))/((x-3)(x-4)(x-5))) find (dy)/(dx)

Find the distance between the parallel lines 3x-4y+7=0 and 3x-4y+5 =0 ?