sederhanakan dan tulislah jawabannya dalam bentuk pangkat positif ! 1. ( 2X-3Y2)3 2. ( 4/X3).-2

MAPEL : MATEMATIKA

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Jawaban '
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1]
[tex] = ( {2x}^{ - 3} {y}^{2} ) ^{3} \\ \\ = ( {8x}^{ - 9} {y}^{6} ) \\ \\ = \frac{ {y}^{6} }{ {8x}^{9} } [/tex]

2]
[tex] = ( \frac{4}{ {x}^{3} } )^{ - 2} \\ \\ = ( \frac{ {x}^{3} }{4} )^{2} \\ \\ = \frac{ {x}^{6} }{16} [/tex]

1) (2x-3y2)3 = 8x3-36x2.y2+36x.y4-9y6
2) (4/x3)-3 = 1/16 (x16)