If \frac{7 m+2 n}{7 m-2 n}=\frac{5}{3}, use properties of proportion to find (i) m: n (ii) \frac{m^2+n^2}{m^2-n^2}

ICSE Class X Math 2017 Solved Paper - Question 18

Question : 18 of 31

Marks: +1, -0

\;{7 m+2 n}/{7 m-2 n}=\;{5}/{3}

, use properties of proportion to find
(i)

m : n

(ii)

\;{m^2+n^2}/{m^2-n^2}

Solution:

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