Question

Find 50th term from an ap 1,3,5,7...399

Answer 1

Answer:

a=1, d=3-2=1.l=399

formula .

l=a+(n-1)d

399=1+(n-1)×1

(n-1)×1+1=399

n-1+1=399

n=399

so,there are 399 terms in given AP.

so, now the 50th terms

a50=a+(n-1)d

=1+(399-1)×1

=1+398

=399

So, the 50th terms of Ap is 399.

Step-by-step explanation:

Answer 2

hope it's clear..........