Ответ: S=1,098.
Объяснение:
√3; -1; √(1/3); ...
b₁=√3 b₂=-1 ⇒
q=b₂/b₁=-1/√3.
S=b₁/(1-q)=√3/(1-(-1/√3)=√3/(1+(1/√3))=√3/(√3+1)/√3))=√3*√3/(√3+1)=
=3/(√3+1)≈1,098.
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Ответ: S=1,098.
Объяснение:
√3; -1; √(1/3); ...
b₁=√3 b₂=-1 ⇒
q=b₂/b₁=-1/√3.
S=b₁/(1-q)=√3/(1-(-1/√3)=√3/(1+(1/√3))=√3/(√3+1)/√3))=√3*√3/(√3+1)=
=3/(√3+1)≈1,098.