Question

solve pls I will mark him/her brainliest​

Answer 1

Answer:

Here,a=t1=10, t2=15, t3=20,......

d= t2-t1 = 15-10 = 5

tn= a+(n-1) d .......(Formula)

t19= 10+(19-1) ×5 ........(substituting the values)

= 10+18×5

= 10+90

t19= 100

Ans- The 19th term is 100

Hope this will help you..