Bentuk faktorial dari 25×24×23×22×21×20 adalah.... A.25! B.20! C.(25-20)! D.25!/19 E.25!/20!
Matematika
Danielsyadaka14
Pertanyaan
Bentuk faktorial dari 25×24×23×22×21×20 adalah....
A.25!
B.20!
C.(25-20)!
D.25!/19
E.25!/20!
A.25!
B.20!
C.(25-20)!
D.25!/19
E.25!/20!
1 Jawaban
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1. Jawaban ahreumlim
25! = 25 × 24 × 23 × ........ 20 × 19 × 18 × ...... × 1
19! = 19 × 18 × ...... × 1
jadi
25!/19! = (25×24×23×...×20×19×18× ... × 1) / (19×18× ... × 1)
25!/19! = (25×24×23×...×20×19×18× ... × 1) / (19×18× ... × 1)
25!/19! = 25×24×23×22×21×20
jadi jawabannya : D