Question

Represente a PG de infinitos a1= 1/4  e q= - 4

Answer 1

$a_{1}=1/4\\q=-4$
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$a_{1}=1/4\\a_{2}=a_{1}*q=(1/4)*(-4)=-1\\a_{3}=a_{2}*q=(-1)*(-4)=4\\a_{4}=a_{3}*q=4*(-4)=-16\\a_{5}=a_{4}*q=(-16)*(-4)=64\\a_{6}=a_{5}*q=64*(-4)=-256\\...\\\\ \boxed{\boxed{PG~(\dfrac{1}{4},-1,~4,-16,~64,-256,...)}}$