Question

If x: y= (a+2): (a-2), then (x2-y2) : (x2+y2) = ?​

Answer 1

Answer:

please refer to the attachment

I hope it would help you

thank you

Answer 2

Answer:

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