Math, asked by meenagupta331985, 3 days ago

" The first and the last term of an AP are 1 and 11. If the sum of its terms is 36 , then the number of terms
will be

Answers

Answered by Anonymous

3

Hey Na Na Na!

Answer:

6 terms

Step-by-step explanation:

a = 1

l = 11

sⁿ = 36

Formula:

sⁿ = n/2(a+l)

→ 36 = n/2(1+11)

→ n = 36×2/12

→ n = 6

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