Find 10th term in the series 1, 3, 5, 7, ...
Choose the correct choice from the following choices
A) 19
B) 20
C) 21
D) 22
E) 23
SOLUTION:   a = 1   d = 3 – 1 = 2   10th term, t10 = a + (n-1)d = 1 + (10 – 1)2 = 1 + 18= 
<gadget id="calculator">1 + 18</gadget>
<output>19</output>
19   19NSWER IS 19
<result>A</result>
Find 10th term in the series 1, 3, 5, 7, ...