Question

Find the fourth term from the end in an A.P.-11.-8.-5,.....,-49​

Answer 1

Step-by-step explanation:

first term from end=49

common difference =-3

n=4

a4=a+(n-1)d

=49+(4-1)×-3

=49+(-9)

=40

Answer 2

$first \: term \: from \: end=49 \\ common difference =-3n</p><p> \\ n=4</p><p>a4=a+(n-1)d</p><p> \\ =49+(4-1)x-3</p><p> \\ =49+(-9)</p><p> \\ =40$