Question

the 18th term of the ap root 2, root 18 , root 50, root 98

Answer 1

Answer:

Step-by-step explanation:

You can write them as

Root2 3root2 5root2 7root2

So 18 term is

35root2

Answer 2

Answer:

Step-by-step explanation:

√2 , √18, √50, √98,........

√2 , 3√2  , 5√2  , 7√2.....................

a =√2,

d=2√2.

18th term = a + 17d

                = √2 + 17(2√2)

                 = √2 + 34√2

                =35√2