Roboguru

Tiga vektor dituliskan dalam persamaan berikut!  ...

Tiga vektor dituliskan dalam persamaan berikut!

begin mathsize 14px style a with rightwards arrow on top equals 15 i with hat on top plus 3 j with hat on top b with rightwards arrow on top equals 2 i with hat on top plus 17 j with hat on top c with rightwards arrow on top equals 3 i with hat on top plus 5 j with hat on top end style 

Gambar ketiga vektor dan hitung resultannya!

Jawaban:

Gambar ketiga vektor

Resultan ketiga vektor 

r with rightwards arrow on top equals a with rightwards arrow on top plus b with rightwards arrow on top plus c with rightwards arrow on top r with rightwards arrow on top equals open parentheses 15 space i with hat on top plus 3 j with hat on top close parentheses plus open parentheses 2 i with hat on top plus 17 j with hat on top close parentheses plus open parentheses 3 i with hat on top plus 5 j with hat on top close parentheses r with rightwards arrow on top equals open parentheses 15 i with hat on top plus 2 i with hat on top plus 3 i with hat on top space close parentheses plus open parentheses 3 j with hat on top plus 17 j with hat on top plus 5 j with hat on top close parentheses r with rightwards arrow on top equals 20 i with hat on top space plus 25 j with hat on top 

Jadi, resultan dari ketiga verktor tersebut adalah bold 20 bold i with bold hat on top bold plus bold 25 bold j with bold hat on top.

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