dany-jest-nieskonczony-ciag-geometryczny-leftanright-okreslony-wzorem0displaystyle-an-frac3leftsqrt2rightnquadtextdlaquad

A)

$\displaystyle \frac{1}{\sqrt{2}-1}$ \displaystyle \frac{1}{\sqrt{2}-1}

B)

$\displaystyle \frac{\sqrt{2}}{\sqrt{2}-1}$ \displaystyle \frac{\sqrt{2}}{\sqrt{2}-1}

C)

$\displaystyle \frac{2}{\sqrt{2}-1}$ \displaystyle \frac{2}{\sqrt{2}-1}

D)

$\displaystyle \frac{3}{\sqrt{2}-1}$ \displaystyle \frac{3}{\sqrt{2}-1}