Roboguru

Fungsi invers  adalah ....

Fungsi invers begin mathsize 14px style g left parenthesis x right parenthesis equals open parentheses fraction numerator fifth root of x plus 1 over denominator 7 end fraction close parentheses cubed minus 2 end style adalah ....

  1. .... 

  2. .... 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell g left parenthesis x right parenthesis end cell equals cell open parentheses fraction numerator fifth root of x plus 1 over denominator 7 end fraction close parentheses cubed minus 2 end cell row y equals cell open parentheses fraction numerator fifth root of x plus 1 over denominator 7 end fraction close parentheses cubed minus 2 end cell row cell y plus 2 end cell equals cell open parentheses fraction numerator fifth root of x plus 1 over denominator 7 end fraction close parentheses cubed end cell row cell cube root of y plus 2 end root end cell equals cell fraction numerator fifth root of x plus 1 over denominator 7 end fraction end cell row cell 7 open parentheses cube root of y plus 2 end root close parentheses end cell equals cell fifth root of x plus 1 end cell row cell fifth root of x end cell equals cell 7 left parenthesis cube root of y plus 2 end root right parenthesis minus 1 end cell row x equals cell open parentheses 7 left parenthesis cube root of y plus 2 end root right parenthesis minus 1 close parentheses to the power of 5 end cell row cell g to the power of negative 1 end exponent left parenthesis x right parenthesis end cell equals cell left parenthesis 7 left parenthesis cube root of x plus 2 end root right parenthesis minus 1 right parenthesis to the power of 5 end cell end table end style

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