Question

The n th element of the sequence 1,3,5,7,... is *

(a)n

(b)2n - 1

(c)2n +1

(d)None of these​

Answer 1

Answer:

2n-1 is correct answer

Step-by-step explanation:

this sequence is in AP

using formula

an=a+(n-1) d

here

a=1

d=2

an=1+(n-1) 2

an=1+2n-2

an=2n-1