[" The line L given by "(x)/(5)+(y)/(b)=1" passes through the point "(13,32)" .The line "K" is parallel to Land "],[" The line L given by "(x)/(5)+(y)/(3)=1" .Then the distance between "L" and "K" is : "],[" has the equation "(x)/(c)+(y)/(3)=1" .Then the distance between "L" and "K" is: "],[[" (1) "(23)/(sqrt(15))," (2) "sqrt(17)],[" (1) "(23)/(sqrt(15))," (2) "sqrt(17)],[" The lines "L_(1):y-x=0" and "L_(2):2x+y=0" intersect the line "L_(3):y+2=0" at "R.," (AIEEE "2011]]]