q. sepi :') 10!! - 8!7!! + 12.... Question from @2015070369

staralya78

10!! - 8!

= (10×8×6×4×2) - (8×7×6×5×4×3×2×1)

= (80×6×4×2) - (56×6×5×4×3×2×1)

= (480×4×2) - (336×5×4×3×2×1)

= (1.920×2) - (1.680×4×3×2×1)

= 3.840 - (6.720×3×2×1)

= 3.840 - (20.160×2×1)

= 3.840 - (40.320×1)

= 3.840 - 40.320

= -36.480

__________

7!! + 12

= (7.5.3.1) + 12

= (35.3.1) + 12

= (105.1) + 12

= 105 + 12

= 117

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Penyelesaian Soal :

$\\$

$\sf = 10! ! - 8!$

$\sf = (10 \times 8 \times 6 \times 4 \times 2) - (8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1)$

$\sf = (80 \times 6 \times 4 \times 2) - (56\times 6 \times 5 \times 4 \times 3 \times 2 \times 1)$

$\sf = (480 \times 4 \times 2) - (336 \times 5 \times 4 \times 3 \times 2 \times 1)$

$\sf = (1.920 \times 2) - (1.680\times 4 \times 3 \times 2 \times 1)$

$\sf =3.840 - (6.720\times 3 \times 2 \times 1)$

$\sf =3.840 - (20.160\times 2 \times 1)$

$\sf =3.840 - (40.320\times 1)$

$\sf =3.840 - 40.320$

$\sf = \: - 36.480$

$\\$

$\sf = 7!! + 12$

$\sf = (7 \times5 \times 3 \times 1) + 12$

$\sf = (36 \times 3 \times 1) + 12$

$\sf = (105 \times 1) + 12$

$\sf = 105 + 12$

$\sf = 117$

$\\$

Kesimpulan :

$\\$

Hasil 10!! - 8! adalah -36.480.

Hasil 7!! + 12 adalah 117.

$\\$

Pelajari Lebih Lanjut :

$\\$

Tentukan banyak susunan (permutasi) dari kata"McLarenSenna"
brainly.co.id/tugas/41913366

Hasil dari 6 faktorial adalah
brainly.co.id/tugas/23666437

pengertian dari faktorial
brainly.co.id/tugas/4192152

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Detail Jawaban :

$\\$

》Mapel : Matematika.
》Kelas : XII.
》Materi : Kaidah Pencacahan.
》Bab : Faktorial.
》Kode Soal : 2.
》Kode Kategorisasi : 12.2.7
》Kata kunci : Hasil 10!! - 8! dan 7!! + 12.

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#Let's Learn together brainly.

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