Question

Find the 12 term of series 3a-b,4a,5a+b (A.P) ​

Answer 1

Answer:

here your answer...

Step-by-step explanation:

here a=3a-b

and common difference

d=4a-(3a-b)

=4a-3a+b

= a+b

tn=a+(n-1)d

t12=3a-b+(12-1)a+b

=3a-b+11a+11b

=14a+10b is your answer

hope it's will help you