Fisika Sekolah Menengah Atas (4i+3j) + (5i+2j) hitunglah resultan vektor tersubut​

sidneyschmittulv – March 09, 2023

(4i+3j) + (5i+2j)
hitunglah resultan vektor tersubut​

Jawaban:

26

Penjelasan:

(4i+3j) + (5i+2j)

= (4 × 5) (i × i) + (4 × 2) (i × j) + (3 × 5) (j × i) + (3 × 2) (j × j)

= 20 (1) + 8 (0) + 15 (0) + 6 (1)

= 26

i.i=1

j.j=1

k.k=1

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