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what is the equation for this sequence?
3, -6, 12, -24

Sagot :

Mlcparra16viz
If you mean what is the formula for the general term, the general formula for the nth term of a geometric sequence is:
[tex]a_n=a_1*r^{n-1}[/tex]
The common ratio in this geometric sequence is -2, the 1st term is 3 so:
[tex]a_n=3* (-2)^{n-1}[/tex]