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Pertanyaan

. Persamaan peta suatu kurva oleh rotasi pusat 0 bersudut straight pi over 2, dilanjutkan dilatasi (0,2} adalah • Persamaan kurva semula adalah ...x space equals space 2 space plus space y space minus space y squared

  1. y equals negative 1 half X squared space minus X plus 1

  2. y equals negative 1 half X squared space minus x minus 1

  3. y equals negative 1 half X squared space plus x plus 1

  4. y space equals space minus 2 x squared space plus space x space plus space 4

  5. y space equals space 2 x squared space minus space x space minus space l

R. RGFLSATU

Master Teacher

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Pembahasan

P e t a colon space x apostrophe space equals space 2 space plus space y apostrophe space minus space y apostrophe space 2  N i l a i colon  open parentheses table row cell X to the power of 1 end cell row cell Y to the power of 1 end cell end table close parentheses equals space M open square brackets table row 0 2 end table close square brackets O M open square brackets 0 comma space straight pi over 2 close square brackets open parentheses table row x row y end table close parentheses  open parentheses table row cell X to the power of 1 end cell row cell Y to the power of 1 end cell end table close parentheses equals 2 open parentheses table row 0 cell negative 1 end cell row 1 0 end table close parentheses open parentheses table row x row y end table close parentheses  open parentheses table row cell X to the power of 1 end cell row cell Y to the power of 1 end cell end table close parentheses equals 2 open parentheses table row cell negative y end cell row x end table close parentheses  open parentheses table row cell negative y end cell row x end table close parentheses equals open parentheses table row cell negative 2 y end cell row cell 2 x end cell end table close parentheses  x apostrophe space equals space minus 2 y  y apostrophe space equals space 2 y space.  x I equals 2 plus y to the power of 1 minus y to the power of 12  minus 2 y space equals space 2 space plus space 2 x space minus space left parenthesis 2 x right parenthesis squared  minus 2 y space equals space 2 space plus space 2 x space minus space 4 x squared  y space equals space times 2 X to the power of 2 space end exponent minus X minus 1

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