x/x+y + y/x-y

Soal Jawaban Kurikulum Merdeka

x/x+y + y/x-y

Penyelesaian

     x     +      y     = x(x – y) + y(x + y)

  x + y        x – y      (x + y)( x – y)

= x2 – xy + xy + y2

       (x2 – y2)

= x2 + y2

   x2 – y2

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