If (a+b):(a-b)=1:5,then find the ratio of (a×a-b×b):(a×a+b×b).
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a+b/a-b=1/5
a to power 2 - b to power 2/a to power 2 + b to power 2 = (a-b)whole square/(a+b)whole square=5 to power 2 / 1 to power 2 = 25/1=25
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