Question

Compund ratio of (x+y):(x-y) ,(X2+y2): (x+y)2 and (X2-y2): (x4-y4) is​

Answer 1

Compound Ratio:

$\frac{x + y}{x -y} \times \frac{ {x}^{2} + {y}^{2} }{ {(x + y)}^{2} } \times \frac{ {x}^{2} - {y}^{2} }{ {x}^{4} - {y}^{4} }$

$\frac{x + y}{x - y} \times \frac{ {x}^{2} + {y}^{2} }{( {x + y)}^{2} } \times \frac{ {x}^{2} - {y}^{2} }{( {x}^{2} + {y}^{2} )( {x}^{2} - {y}^{2}) }$

$\frac{1}{(x + y)(x - y)}$