1.

If a_(n) = ( log_(e ) 3)^(n) sum_(k!(n-k)!)^(k^(2))then a_(1) + a_(2) +a_(3) +"...."oo is equal to

Answer»

`3 log_(E ) 9`
`9 log_(e ) 3`
`9 log_(e ) 3 ( log_(e )3+1)`
`( log_(e ) 9)^(2)`

Answer :C


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