If 1x+1y=5 and 2x−32y=3. Then value of 1y−1x is
3
13
23
25
Take 1x=a,1y=b, then solve the two linear equations. We get a= - 9, b= 14 then (b - a)=23 which is the value of 1y−1x.
If 2x1x−3y1y=2x21−3y21 & 4x−3y=5 are equation of same line, find the value of x1+y1.