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Tentukan vektor satuan dari vektor-vektor berikut! c. a = ( 2 , 7 )

Tentukan vektor satuan dari vektor-vektor berikut! 

c.    

  1. ... 

  2. ... 

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L. Rante

Master Teacher

Mahasiswa/Alumni Universitas Negeri Makassar

Jawaban terverifikasi

Jawaban

vektor satuan dari adalah .

vektor satuan dari begin mathsize 14px style straight c with rightwards arrow on top end style adalah begin mathsize 14px style straight c with hat on top equals open parentheses fraction numerator 2 over denominator square root of 53 end fraction comma space fraction numerator 7 over denominator square root of 53 end fraction close parentheses end style

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Pembahasan

menentukan panjang vektor vektor satuan dari adalah Jadi vektor satuan dari adalah .

menentukan panjang vektor begin mathsize 14px style straight c with rightwards arrow on top end style   

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight c with rightwards arrow on top end cell equals cell left parenthesis 2 comma space 7 right parenthesis end cell row cell vertical line straight c with rightwards arrow on top vertical line end cell equals cell square root of left parenthesis 2 right parenthesis squared plus left parenthesis 7 right parenthesis squared end root end cell row blank equals cell square root of 4 plus 49 end root end cell row blank equals cell square root of 53 space end cell end table end style   

vektor satuan dari begin mathsize 14px style straight c with rightwards arrow on top end style adalah 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight c with hat on top end cell equals cell fraction numerator 1 over denominator vertical line straight c with rightwards arrow on top vertical line end fraction cross times straight c with rightwards arrow on top end cell row blank equals cell fraction numerator 1 over denominator square root of 53 end fraction cross times left parenthesis 2 comma space 7 right parenthesis end cell row blank equals cell open parentheses fraction numerator 2 over denominator square root of 53 end fraction comma space fraction numerator 7 over denominator square root of 53 end fraction close parentheses end cell end table end style   

Jadi vektor satuan dari begin mathsize 14px style straight c with rightwards arrow on top end style adalah begin mathsize 14px style straight c with hat on top equals open parentheses fraction numerator 2 over denominator square root of 53 end fraction comma space fraction numerator 7 over denominator square root of 53 end fraction close parentheses end style

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Mona Agnia

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