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Pertanyaan

Bentuk sederhana dari ( x 6 y 9 ) 3 1 ​ ( x y 7 ) ⋅ ( x 4 y − 4 ) ​ adalah …

Bentuk sederhana dari  adalah  

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A. Salim

Master Teacher

Mahasiswa/Alumni Universitas Pelita Harapan

Jawaban terverifikasi

Jawaban

bentuksederhana dari adalah

bentuk sederhana dari fraction numerator open parentheses x y to the power of 7 close parentheses times open parentheses x to the power of 4 y to the power of negative 4 end exponent close parentheses over denominator open parentheses x to the power of 6 y to the power of 9 close parentheses to the power of begin display style 1 third end style end exponent end fraction adalah x cubed. 

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Pembahasan

Ingat kembali bahwa: Dengan menggunakan sifat di atas, maka bentuk sederhana dari adalah Dengan demikian, bentuksederhana dari adalah

Ingat kembali bahwa:

table attributes columnalign right center left columnspacing 0px end attributes row cell a to the power of negative m end exponent end cell equals cell 1 over a to the power of m end cell row cell a to the power of m colon a to the power of n end cell equals cell a to the power of m minus n end exponent end cell row cell open parentheses a to the power of m close parentheses to the power of n end cell equals cell a to the power of m cross times n end exponent end cell end table

Dengan menggunakan sifat di atas, maka bentuk sederhana dari fraction numerator open parentheses x y to the power of 7 close parentheses times open parentheses x to the power of 4 y to the power of negative 4 end exponent close parentheses over denominator open parentheses x to the power of 6 y to the power of 9 close parentheses to the power of begin display style 1 third end style end exponent end fraction adalah 

table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator open parentheses x y to the power of 7 close parentheses times open parentheses x to the power of 4 y to the power of negative 4 end exponent close parentheses over denominator open parentheses x to the power of 6 y to the power of 9 close parentheses to the power of begin display style 1 third end style end exponent end fraction end cell equals cell fraction numerator x y to the power of 7 times x to the power of 4 over denominator x squared y cubed times y to the power of 4 end fraction end cell row blank equals cell fraction numerator x to the power of 5 y to the power of 7 over denominator x squared y to the power of 7 end fraction end cell row blank equals cell x to the power of 5 minus 2 end exponent y to the power of 7 minus 7 end exponent end cell row blank equals cell x cubed times y to the power of 0 end cell row cell fraction numerator open parentheses x y to the power of 7 close parentheses times open parentheses x to the power of 4 y to the power of negative 4 end exponent close parentheses over denominator open parentheses x to the power of 6 y to the power of 9 close parentheses to the power of begin display style 1 third end style end exponent end fraction end cell equals cell x cubed end cell end table

Dengan demikian, bentuk sederhana dari fraction numerator open parentheses x y to the power of 7 close parentheses times open parentheses x to the power of 4 y to the power of negative 4 end exponent close parentheses over denominator open parentheses x to the power of 6 y to the power of 9 close parentheses to the power of begin display style 1 third end style end exponent end fraction adalah x cubed. 

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