If \[{{a}_{1}},{{a}_{2}},....{{a}_{n}}\] are positive real numbers whose product is a fixed number c, then the minimum value of \[{{a}_{1}}+{{a}_{2}}+...\] \[+{{a}_{n-1}}+2{{a}_{n}}\]is [IIT Screening 2002]

If \[{{a}_{1}},{{a}_{2}},....{{a}_{n}}\] are positive real numbers who

1.	If \[{{a}_{1}},{{a}_{2}},....{{a}_{n}}\] are positive real numbers whose product is a fixed number c, then the minimum value of \[{{a}_{1}}+{{a}_{2}}+...\] \[+{{a}_{n-1}}+2{{a}_{n}}\]is [IIT Screening 2002]
A.	\[n{{(2c)}^{1/n}}\]
B.	\[(n+1)\,{{c}^{1/n}}\]
C.	\[2n{{c}^{1/n}}\]
D.	\[(n+1){{(2c)}^{1/n}}\]
Answer» B. \[(n+1)\,{{c}^{1/n}}\]

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If \[{{a}_{1}},{{a}_{2}},....{{a}_{n}}\] are positive real numbers whose product is a fixed number c, then the minimum value of \[{{a}_{1}}+{{a}_{2}}+...\] \[+{{a}_{n-1}}+2{{a}_{n}}\]is [IIT Screening 2002]

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