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Bayangan garis 3x – y + 2 = 0 jika diputar sejauh 4 π ​ dengan pusat O(0,0) adalah…

Bayangan garis 3x – y + 2 = 0 jika diputar sejauh  dengan pusat O(0,0) adalah…

  1. 2 x plus y minus square root of 2 equals 0

  2. 2 x minus y plus square root of 2 equals 0

  3. x minus 2 y minus square root of 2 equals 0

  4. x plus 2 y plus square root of 2 equals 0

  5. 2 x plus y plus square root of 2 equals 0

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Substitusikanke persamaan garis

begin mathsize 12px style open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses equals M open parentheses table row x row y end table close parentheses open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses equals open parentheses table row cell cos pi over 4 end cell cell negative sin pi over 4 end cell row cell sin pi over 4 end cell cell cos pi over 4 end cell end table close parentheses open parentheses table row x row y end table close parentheses open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses equals open parentheses table row cell 1 half square root of 2 end cell cell negative 1 half square root of 2 end cell row cell 1 half square root of 2 end cell cell 1 half square root of 2 end cell end table close parentheses open parentheses table row x row y end table close parentheses open parentheses table row x row y end table close parentheses equals open parentheses table row cell 1 half square root of 2 end cell cell negative 1 half square root of 2 end cell row cell 1 half square root of 2 end cell cell 1 half square root of 2 end cell end table close parentheses to the power of negative 1 end exponent open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses open parentheses table row x row y end table close parentheses equals open parentheses table row cell 1 half square root of 2 end cell cell 1 half square root of 2 end cell row cell negative 1 half square root of 2 end cell cell 1 half square root of 2 end cell end table close parentheses open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses end style

begin mathsize 12px style x equals 1 half square root of 2 x to the power of apostrophe plus 1 half square root of 2 y apostrophe y equals negative 1 half square root of 2 x to the power of apostrophe plus 1 half square root of 2 y apostrophe end style

 

Substitusikan ke persamaan garis begin mathsize 12px style 3 x minus y plus 2 equals 0 space end style

begin mathsize 12px style 3 open parentheses 1 half square root of 2 x to the power of apostrophe plus 1 half square root of 2 y apostrophe close parentheses minus open parentheses negative 1 half square root of 2 x to the power of apostrophe plus 1 half square root of 2 y apostrophe close parentheses plus 2 equals 0 2 square root of 2 x to the power of apostrophe plus square root of 2 y to the power of apostrophe plus 2 equals 0  D i b a g i space square root of 2 2 x plus y plus square root of 2 equals 0 space end style

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