Math, asked by shuklaji9930, 3 months ago

(iii) What is the sum of the first 20 terms of an A.P., if a=4 and
36?
(A) 40 (B) 200 (@400 (D) 800

Answers

Answered by ssai17

1

Answer:

use this formula an =a plus n minus 1 of d

ssai17: 400 answer

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