senators3 senators3

04-05-2019
Mathematics

contestada

a, a +4,a+8,...
write the nth term of sequence in terms of the first term of the sequence

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shyshy32 shyshy32

04-05-2019

1)

a1 = 2*5

a2= 2*2*5

a3= 2*3*5

...

an=2n -*5

2)

u1 = a

u2 = a +4

u3 = a + 2 * 4

u4 = a + 3 * 4

...

un = a + ( n - 1 )* 4

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