5. 1! + 2! + ««. + 50!=?
a)3.1035*10^64 b)2.1021*10^65 c)3.1035*10^63 d)3.1035*10^62

• @ravi karan
  pls explain this
• 11 years agoHelpfull: Yes(1) No(3)
• 31035*10^64
  log y=log1+log2+log3+...+log50
  here y is sum of series
  so now we have to find sum of series then we can take 10^(sum)
  this would be the answer now can any one help me to find sum of this series
• 11 years agoHelpfull: Yes(1) No(10)
• a)3.1035*10^64
• 11 years agoHelpfull: Yes(0) No(9)
• Can anybody explain it in more detail correctly...?
• 11 years agoHelpfull: Yes(0) No(0)