Math, asked by raship30, 1 month ago

a/b = 5/7 . find the value of a²-b²/ a²+b²

Answers

Answered by shwetadjain299

0

Answer:

0

Step-by-step explanation:

x+10y-21=0

x-10y+21=0

x-10y-21=0

x+10y+21=0

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