Question

tentukan nilai x !!

soal terlampir

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Answer 1

Materi : SPtLSV

( 3x - 7 )/8 + ( 6 - 2x )/6 < - 2/x

Semua dikalikan 24

3( 3x - 7 ) + 4( 6 - 2x ) < - 48/x

9x - 21 + 24 - 8x < - 48/x

x + 3 < - 48/x

Semua dikalikan x

x² + 3x < - 48

x² + 3x + (3/2)² < - 48 + (3/2)²

( x + 3/2 )² < - 192/4 + 9/4

x < - 3/2 ± √[ - 183/4 ]

x < - 3/2 ± ½i√183

Himpunan Penyelsaian

x = - 3/2 + ½i√183

x = - 3/2 - ½i√183

HP = { x | - 3/2 - ½i√183 < x < - 3/2 + ½i√183 }

Semoga bisa membantu

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