If a_1(>0),a_2,a_3,a_4,a_5 are in a G.P., a_2+a_4=2a^1+1 and 3a_2+a_3=2a, then a_4+a^2+2a^4 is equal to

JEE Main Mathematics question

If are in a G.P., and , then is equal to

Answer: 40

Solution

Defect: the stem is garbled (the conditions are printed with the subscripts lost, "", "", and the quantity asked, "", is not a clear expression); read as and , the GP gives

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Question ID VK-022205