100 Endgames You Must Know: Vital Lessons for Every Chess Player

100 Endgames You Must Know: Vital Lessons for Every Chess Player

Matematika Diketahui vektor-vektor a = (1,0,2), b = (2, 1,3), dan = (4,3,0). Tentukan nilai k jika 3a + 2b - kč = (6, 18,9).​

Diketahui vektor-vektor a = (1,0,2), b = (2, 1,3), dan = (4,3,0). Tentukan nilai k jika 3a + 2b - kč = (6, 18,9).​

Penjelasan dengan langkah-langkah:

Diketahui vektor-vektor

a = (1,0,2)

b = (2, 1,3)

c = (4,3,0).

3a + 2b - kč = (6, 18,9).

3(1, 0, 2) + 2(2, 1, 3) – k(4, 3, 0) = (6, 18, 9)

(3+4-4k) = 6

7 - 4k = 6

-4k = 6 - 7

-4k = -1

k = -1/-4

k = ¼

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