Question

Find the 20th term of the ap √2,3√2,5√2

Answer 1

Answer:

39√2

Step-by-step explanation:

here, n=20, a=√2,d=2√2

To find:-$a_{n}$

$a_{n}$=√2+(20-1)(2√2)

  =√2+38√2

  =39√2

Answer 2

a=√2 , d=2√2 , n=20

a20=√2+(19)2√2

a20=√2+38√2

a20=39√2