Q.
7! - 9!! =
nt: Q.......![]()
7! - 9!! =
nt: Q.......
======
- 7!
- 7 × 6 × 5 × 4 × 3 × 2 × 1
- 42 × 20 × 6
- 840 × 6
- 5040
--
- 9!!
- 9 × 7 × 5 × 3 × 1
- 63 × 15
- 945
---
7! - 9!!
5040 - 945
4095
=======
SOAL 1
___________________________________________
7! - 9!!
= (7.6.5.4.3.2.1) - (9.7.5.3.1)
= (42.5.4.3.2.1) - (9.7.5.3.1)
= (210.4.3.2.1) - (9.7.5.3.1)
= (840.3.2.1) - (63.5.3.1)
= (2.520.2.1) - (315.3.1)
= (5.040.1) - (945.1)
= 5.040 - 945
= 4.095
___________________________________________ [tex] {\mathcal\color{purple}{{\pink{\underline{\purple{\underline\bold{\pink{K}\bold\color{violet}{h\bold{\pink{a}\bold\color{violet}{d\bold{\pink{i}\bold\color{violet}{j\bold{\pink{a}\bold\color{violet}{h\bold{\pink{A}\bold\color{violet}{m\bold{\pink{j}\bold\color{violet}{a\bold{\pink{d}\bold\color{violet}{1\bold{\pink{2}}}}}}}}}}}}}}}}}}}}}}[/tex]
[answer.2.content]
