Maths-
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Question

If a subscript 1 end subscript comma a subscript 2 end subscript comma horizontal ellipsis horizontal ellipsis. a subscript n end subscript comma a subscript n plus 1 end subscript are in G P blank a n d blank a subscript i end subscript greater than 0 for all i comma then open vertical bar table row cell l o g invisible function application a subscript n end subscript end cell cell l o g invisible function application a subscript n plus 2 end subscript end cell cell l o g invisible function application a subscript n plus 4 end subscript end cell row cell l o g invisible function application a subscript n plus 6 end subscript end cell cell l o g invisible function application a subscript n plus 8 end subscript end cell cell l o g invisible function application a subscript n plus 10 end subscript end cell row cell l o g invisible function application a subscript n plus 12 end subscript end cell cell l o g invisible function application a subscript n plus 14 end subscript end cell cell l o g invisible function application a subscript n plus 16 end subscript end cell end table close vertical bar is equal to

  1. 0    
  2. n blank l o g blank a subscript n end subscript    
  3. n(nplusl) l o g blank a subscript n end subscript    
  4. none of these    

The correct answer is: 0


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