Question

5.
1
nth term of 3+5+9+17+.... is
a) 2"-1 b) (2+n)/n c) 2" +1 d) 3+ 2"
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Answer 1

Answer:

73763+-$6#7#7#7272827#-#+#8#82

Answer 2

Answer:

$3 + 5 + 9 + 17 + ........ \\ (3 + {2}^{0} ) + (1+ {2}^{1} ) + (1 + {2}^{2} ) + (1 + {2}^{3} ) + (1 + {2}^{4} ) + ......... \\ so \: it \: means \: nth \: term \: = 1 + {2}^{n}$

Option C is CORRECT.