Math, asked by sneha808734, 4 months ago

find the sum of the first
11. terms of an AP whose
middle term
is 30

Answers

Answered by sai172982

1

Step-by-step explanation:

6 th term is middle term

a+5d=30

sum of 11 terms= 11/2[2a+10d]=11a+55d=11(a+5d)=11(30)=330

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