Question

3x-5y/3x+5y=1/2 then find 3x^2-5y^2/3x^2+5y^2

Solve in a copy​

Answer 1

Answer:

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Answer 2

Answer:

$\huge \underline \mathfrak{ \orange{answer}}$

⭐ (3x-5y)/(3x+5y) = 1/2

6x-10y = 3x+5y

3x = 15y

x = 5y

⭐ (3x*x - 5y*y)/(3x*x + 5y*y)

= (3*5y*5y - 5y*y)/(3*5y*5y + 5y*y)

= (75y*y - 5y*y)/(75y*y + 5y*y)

= 70y*y / 80y*y

= 7/8

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