Question

For the finite AP 12,21,30,...,363,find the 12th term from the end.

Answer 1

Step-by-step explanation:

difference among the numbers like 4*3,7*3,10*3

adding 3 and multiple with 3

12th term is 185

Answer 2

d=a2-a1

=21-12

=9

a=12 is from the end

a12=a+11d

a12=363+11(9)

a12=363+99

a12=462

!!!!!!!!Hope is help for you!!!!!!!

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