A) 2 m
B) 5/3 m
C) 4/3 m
D) 5/4 m
Correct Answer: B
Solution :
\[s=h\,\,(1+2{{c}^{2}}+2{{c}^{4}}+...)\] \[=h\,\left( 1+2{{c}^{2}}\times \frac{4}{3} \right)\] \[=\left[ 1+2\times {{\left( \frac{1}{2} \right)}^{2}}\times \frac{4}{3} \right]=\frac{5}{3}\,m\]You need to login to perform this action.
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