kags53 kags53
  • 18-03-2014
  • Mathematics
contestada

How do I find the formula for the sequence: 3, 6, 18, 72, 360, ...

Respuesta :

devinwells566 devinwells566
  • 18-03-2014
2x3=6   3x6=18    4x18=72    5x72=360  and so on and so on.......
Answer Link
kate200468
kate200468 kate200468
  • 18-03-2014
[tex]a_2=2\cdot a_1\\ a_3=3\cdot a_2=3\cdot 2\cdot a_1\\ a_4=4\cdot a_3=4\cdot3\cdot 2\cdot a_1\\ a_5=5\cdot a_4=5\cdot 4\cdot3\cdot 2\cdot a_1\\ \\ a_n=n\cdot (n-1)\cdot (n-2)\cdot (n-3)\cdot\ ...\ \cdot3\cdot2\cdot a_1=n!\cdot a_1\\ \\ a_n=3\cdot n![/tex]
Answer Link

Otras preguntas

which of the following is a factor that determines the composition of magma
what is 0.751 as a percentage?
what is 0.751 as a percentage?
How does breaking links in an ecosystem affect the amazon rainforest, it's plants, animals and people?
please help me on all the questions thanks !!!!!!!!!!!!!!!!!!
Solve using elimination method. 2x+3y=7 and 4x+2y =-6 A) one of (32,-19) or (6,-5) B) one of (0,1) or (2,0) C) one of (-3,1) or (2,1) D) one of (4,–1) or (-4,5
Which of the following is a characteristic shared by the Haitian and French revolutions?
I need to learn spanish in these words... what are these words in spanish lollipop candy cane christmas tree happy new year and christmas eve christmas day
I will give points to whoever answers these correctly, only if I pass. c: 1.) By 1755, which of the following ethnic groups were in Virginia? A. Africans B.
how many cups is in 48 fluid ounces?