The sum to infinity of $1 + \dfrac{1}{3} + \dfrac{1}{9} + \dfrac{1}{27} + \ldots$ is —

Question

Accepted Answer

$\dfrac{3}{2}$

Answer

$\dfrac{2}{3}$

Answer

$3$

Answer

$\dfrac{4}{3}$

The sum to infinity of 1+13+19+127+…1 + \dfrac{1}{3} + \dfrac{1}{9} + \dfrac{1}{27} + \ldots1+31​+91​+271​+… is —