Mathematics answer of the college entrance examination 20 1 1 Jiangxi - Training Enrollment Network

Mathematics answer of the college entrance examination 20 1 1 Jiangxi

y0/(x0-a)？ Y0/(x0+a)= 1/5 can be converted into y0? /(x0？ -a？ )= 1/5

Finally, to simplify: x0? -a？ =5y0？ ①

And then go to x0? /a？ -What about you? /b？ = 1 simplified b? x0？ -a？ y0？ =a？ b？ ②

Get 5b while eliminating x0? y0？ +a？ b？ -a？ y0？ =a？ b？

Eliminate y0 on both sides? What about a? b？ Get 5b? =a？

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