Question

find the 11th term form the last term AP:10,7,4,....,-62

Answer 1

T11 = a + 10d

a = 10

d = 7-10 = -3

T11 = 10 + 10(-3)

T11 = 10 - 30

T11 = -20

Answer 2

a=10
d=7-10
=-3

a11=a+10d

=10+10(-3)
=10-30
=-20