`(x+1)/y=1` , `x/(y+1)=1/2`

Solve for x&y : (x+1)/(y-1)=1; x/(y+1)=1/2

Find the value of ( 1/x + 1/y ) ( 1/x - 1/y ) ( 1/x^2 + 1/y^2 )

If A=[0 1 2 1 2 3 3x1]a n dA^(-1)=[1/2-1/2 1/2-4 3y5/2-3/2 1/2] x=1,y=-1 (b) x=-1,y=1 x=2,y=-1/2 (d) x=1/2,y=1/2

The equation to the chord joining two points (x_1,y_1)a n d(x_2,y_2) on the rectangular hyperbola x y=c^2 is: x/(x_1+x_2)+y/(y_1+y_2)=1 x/(x_1-x_2)+y/(y_1-y_2)=1 x/(y_1+y_2)+y/(x_1+x_2)=1 (d) x/(y_1-y_2)+y/(x_1-x_2)=1

underset Prove that ((x ^ (- 1) + y ^ (- 1)) / (x ^ (- 1))) ^ (- 1) + ((x ^ (- 1) -y ^ (- 1) ) / (x ^ (- 1))) ^ (- 1) = (2y ^ (2)) / (y ^ (2) -x ^ (2))

The equation to the chord joining two points (x_1,y_1) and (x_2,y_2) on the rectangular hyperbola xy=c^2 is: (A) x/(x_1+x_2)+y/(y_1+y_2)=1 (B) x/(x_1-x_2)+y/(y_1-y_2)=1 (C) x/(y_1+y_2)+y/(x_1+x_2)=1 (D) x/(y_1-y_2)+y/(x_1-x_2)=1

The equation to the chord joining two points (x_1,y_1) and (x_2,y_2) on the rectangular hyperbola xy=c^2 is: (A) x/(x_1+x_2)+y/(y_1+y_2)=1 (B) x/(x_1-x_2)+y/(y_1-y_2)=1 (C) x/(y_1+y_2)+y/(x_1+x_2)=1 (D) x/(y_1-y_2)+y/(x_1-x_2)=1

The equation to the chord joining two points (x_1,y_1) and (x_2,y_2) on the rectangular hyperbola xy=c^2 is: (A) x/(x_1+x_2)+y/(y_1+y_2)=1 (B) x/(x_1-x_2)+y/(y_1-y_2)=1 (C) x/(y_1+y_2)+y/(x_1+x_2)=1 (D) x/(y_1-y_2)+y/(x_1-x_2)=1

The equation of line whose midpoint (x_(1),y_(1)) is in between the axes, is.............. A) (x)/(x_(1))+ (y)/(y_(1)) =2 B) (x)/(x_(1))+ (y)/(y_(2)) =1/2 C) (x)/(x_(1))+ (y)/(y_(2)) =1/2 D) None of these