Question

5m-n=3m+4n then find value of m2+n2/m2-n2​

Answer 1

Answer:

Please see the attachment

Answer 2

Step-by-step explanation:

If

5m-n = 3m+4n

=》 5m-3m = 4n+n

=》 2m = 5n

=》 m = 5n/2

So,

(m^2 + n^2)/(m^2 - n^2)

= [{25(n^2)/4}+{n^2}]/[{25(n^2)/4}-{n^2}]

= (29n^2)/(21n^2)

= 29/21

SO,

29/21

IS YOUR ANSWER

HOPE IT HELPS......