Question

the first term and common difference of an AP are 6 and 3 respectively. find sum of first 27 terms​

Answer 1

Answer:

first term= 6

common differences =3

so sum of first 27 term=n/2(2a+(n-1)d

now put the value of n and a where n =27 and a=first term

Step-by-step explanation:

now please try to do

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