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Jika , maka  sama dengan ...

Pertanyaan

Jika begin mathsize 14px style 2 x with rightwards arrow on top plus 2 a with rightwards arrow on top equals 2 b with rightwards arrow on top minus open parentheses x with rightwards arrow on top plus 2 a with rightwards arrow on top close parentheses end style, maka begin mathsize 14px style open vertical bar 3 x with rightwards arrow on top plus 4 a with rightwards arrow on top close vertical bar end style sama dengan ...

  1. begin mathsize 14px style 0 end style 

  2. begin mathsize 14px style 2 open vertical bar a with rightwards arrow on top close vertical bar end style 

  3. begin mathsize 14px style 2 open vertical bar b with rightwards arrow on top close vertical bar end style 

  4. begin mathsize 14px style 3 open vertical bar a with rightwards arrow on top close vertical bar end style 

  5. begin mathsize 14px style 4 open vertical bar b with rightwards arrow on top close vertical bar end style 

Pembahasan Soal:

Nilai dari begin mathsize 14px style open vertical bar 3 x with rightwards arrow on top plus 4 a with rightwards arrow on top close vertical bar end style dapat ditentukan sebagai berikut.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 2 x with rightwards arrow on top plus 2 a with rightwards arrow on top end cell equals cell 2 b with rightwards arrow on top minus open parentheses x with rightwards arrow on top plus 2 a with rightwards arrow on top close parentheses end cell row cell 2 x with rightwards arrow on top plus 2 a with rightwards arrow on top end cell equals cell 2 b with rightwards arrow on top minus x with rightwards arrow on top minus 2 a with rightwards arrow on top end cell row cell 3 x with rightwards arrow on top plus 4 a with rightwards arrow on top end cell equals cell 2 b with rightwards arrow on top end cell row cell open vertical bar 3 x with rightwards arrow on top plus 4 a with rightwards arrow on top close vertical bar end cell equals cell 2 open vertical bar b with rightwards arrow on top close vertical bar end cell end table end style

Oleh karena itu, jawaban yang tepat adalah C.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 02 April 2021

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