Question

Find the 11th term from the last term of three Ap 10,7,4.......-61

Answer 1

i hope this helps you

Answer 2

a(n)=a +(n-1)×d

a=10 , n=11 , d=-3

a(11)= 10 +(11-1) ×(-3)

=10+10×(-3)

=10-30

a(11)= -20