Question

Find 27th term of an arithmetic progression in the following 12 ,9,6,3,0
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Answer 1

a= 12, d= 9-12= -3
a(27) = a+ 26d = 12+ 26(-3) = 12 - 78 = -66
-66 is the 27th term.

Answer 2

Answer:

-66

Step-by-step explanation:

here,. a=12

d= -3

for 27th term we will apply this formula

à27=a+26d

=12+ 26*-3

=12 -78

= -66