Question

10. The sum of the series
$\frac{1}{ \sqrt{3} } + 1 + \frac{3}{ \sqrt{3} } + ...........to \: 18 \: terms \: is$
$(a) \: 9841 \frac{(1 + \sqrt{3)} }{ \sqrt{3} } \:$
$(b) \: 9841 \:$
$(c) \: \frac{9841}{ \sqrt{3} }$
$(d) \: none \: of \: these$
Please give its detiled answer.
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Answer 1

Answer:

the option b is a correct answer