lisetter
lisetter
27-02-2018
Mathematics
contestada
Given this arithmetic sequence, find d. 3,_,_,15
Respuesta :
Banabanana
Banabanana
27-02-2018
[tex]a_1=3 \\ a_4=15 \\ \\ d= \frac{15-3}{4-1}= \frac{12}{3}=4 [/tex]
The answer is
d=4
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