Nomor 1 Diketahui titik P (-3, -1, -5), Q(-1, 2, 0) dan R(1, 2, -2). Jika PQ = a dan QR + PR = b, maka a . b = ... A. 38 B. 30 C. 26 D. 22 E...
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Showing posts with label Perkalian skalar dua vektor. Show all posts
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