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Diketahui vektor . Panjang vektor adalah...

Diketahui vektor begin mathsize 14px style p with rightwards arrow on top equals open square brackets table row cell negative 2 end cell row 1 end table close square brackets space dan space q with rightwards arrow on top equals open square brackets table row cell negative 3 end cell row 2 end table close square brackets end style. Panjang vektor begin mathsize 14px style p with rightwards arrow on top plus q with rightwards arrow on top end style adalah...

Jawaban:

Pertama tentukan begin mathsize 14px style p with rightwards arrow on top plus q with rightwards arrow on top equals open square brackets table row cell negative 2 end cell row 1 end table close square brackets plus open square brackets table row cell negative 3 end cell row 2 end table close square brackets equals open square brackets table row cell negative 5 end cell row 3 end table close square brackets end style

Selanjutnya panjang vektor begin mathsize 14px style p with rightwards arrow on top plus q with rightwards arrow on top end style adalah begin mathsize 14px style open vertical bar p with rightwards arrow on top plus q with rightwards arrow on top close vertical bar equals square root of left parenthesis negative 5 right parenthesis squared plus 3 to the power of 2 end exponent end root equals square root of 34 end style satuan.

 

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