Math, asked by marius91, 2 months ago

19, 13, 7, 1, -5,…..Find the sum of the 12th term of this sequence.

Answers

Answered by gurukularunyadav

0

Answer:

Step-by-step explanation:

Given : a = 19 , d = -6 and n = 12

Sum of n terms of a ap is

n/2 ( 2a + (n-1)d)

12/2 ( 2 × 19 + ( 12-1) (-6))

-168 is the answer

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