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Jika diketahui x=, y=, dan z=2. Nilai adalah ....

Jika diketahui x=1 third, y=1 fifth, dan z=2. Nilai fraction numerator x to the power of negative 4 end exponent y z to the power of negative 2 end exponent over denominator x to the power of negative 3 end exponent y squared z to the power of negative 4 end exponent end fraction adalah ....

  1. 32

  2. 60

  3. 100

  4. 320

  5. 640

Jawaban:

fraction numerator x to the power of negative 4 end exponent y z to the power of negative 2 end exponent over denominator x to the power of negative 3 end exponent y squared z to the power of negative 4 end exponent end fraction equals fraction numerator z squared over denominator x y end fraction  equals fraction numerator 2 squared over denominator open parentheses begin display style 1 third end style close parentheses open parentheses begin display style 1 fifth end style close parentheses end fraction  equals space 60

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