Question

the first ,second, and last term ,term of an ap are 5,9,and 101 respectively . find the number of terms in the ap​

Answer 1

Answer:

25

Step-by-step explanation:

check the pic below

Answer 2

Answer:

here an=a + (n-1) d

101=5 +(n-1) 4

96/4=(n-1)

24=n-1

thus n=25

therefore no. of terms in the ap is 25