If (m+n) : (m-n) =7 : 3,then find the value of
(m²-n²) : (m²+n²) is : ??
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Answer:
3:7
Step-by-step explanation:
(mA^2-nA^2):(mA^2+nA^2)=
A^2(m-n):A^2(m+n)=
(m-n):(m+n)=3:7
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