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Hasil dari 4 4 ( x 64 ) 4 1 ​ ​ ​ − 2 4 ( x 48 ) 3 1 ​ ​ ​ + 3 ( x 64 ) 8 1 ​ ​ ​ adalah ....

Hasil dari  adalah ....

  1. begin mathsize 14px style 3 x squared end style    

  2. begin mathsize 14px style 5 x squared end style    

  3. begin mathsize 14px style 6 x squared end style    

  4. begin mathsize 14px style 9 x squared end style    

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N. Nurul

Master Teacher

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah B.

jawaban yang tepat adalah B.

Pembahasan

Perhatikan bahwa Jadi, hasil dari adalah . Dengan demikian, jawaban yang tepat adalah B.

Perhatikan bahwa

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 4 square root of fourth root of left parenthesis x to the power of 64 right parenthesis to the power of 1 fourth end exponent end root end root minus 2 square root of fourth root of open parentheses x to the power of 48 close parentheses to the power of 1 third end exponent end root end root plus 3 square root of square root of open parentheses x to the power of 64 close parentheses to the power of 1 over 8 end exponent end root end root end cell row blank equals cell 4 square root of fourth root of x to the power of 16 end root end root minus 2 square root of fourth root of x to the power of 16 end root end root plus 3 square root of square root of x to the power of 8 end root end root end cell row blank equals cell 4 square root of left parenthesis x to the power of 16 right parenthesis to the power of 1 fourth end exponent end root minus 2 square root of left parenthesis x to the power of 16 right parenthesis to the power of 1 fourth end exponent end root plus 3 square root of left parenthesis x to the power of 8 right parenthesis to the power of 1 half end exponent end root end cell row blank equals cell 4 square root of x to the power of 4 end root minus 2 square root of x to the power of 4 end root plus 3 square root of x to the power of 4 end root end cell row blank equals cell 4 left parenthesis x to the power of 4 right parenthesis to the power of 1 half end exponent minus 2 left parenthesis x to the power of 4 right parenthesis to the power of 1 half end exponent plus 3 left parenthesis x to the power of 4 right parenthesis to the power of 1 half end exponent end cell row blank equals cell 4 x squared minus 2 x squared plus 3 x squared end cell row blank equals cell open parentheses 4 minus 2 plus 3 close parentheses x squared end cell row blank equals cell 5 x squared end cell end table end style    

Jadi, hasil dari begin mathsize 14px style 4 square root of fourth root of left parenthesis x to the power of 64 right parenthesis to the power of 1 fourth end exponent end root end root minus 2 square root of fourth root of left parenthesis x to the power of 48 right parenthesis to the power of 1 third end exponent end root end root plus 3 square root of square root of left parenthesis x to the power of 64 right parenthesis to the power of 1 over 8 end exponent end root end root end style adalah begin mathsize 14px style 5 x squared end style.

Dengan demikian, jawaban yang tepat adalah B.

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