" iv) "5x-3y<=0

(5x + 3y) (5x-3y) (25x ^ (2) + 9y ^ (2))

" If the lines "5x-3y+15=0" and "5x+3y-15=0" forms a triangle with "X-" axis. Then the radius of circum circle is "

Find the values o x and y if: (5x-3y,y-3x)=(4,-4)

Find the equation of the line through the intersection of the lines 5x-3y=1 and 2x+3y=23 and which is perpendicular to the line 5x-3y=1

Find equation of line passes from point of intersection at lines 5x-3y=1 and 2x+3y-23=0 and perpendicular to line 5x-3y=1 .

Find the point of intersection of the lines 5x-3y-3=0,4x+y-1=0

Expand : (5x + 3y)(5x-3y)

7a (5x - 3y) + 5b (5x -3y) = ___