Math, asked by smdluqmaan, 4 months ago

sum of first 9 terms of an ap is 49 and sum of first 20 term is is 400 find the first term and the common difference of the AP

Answers

Answered by kauranisha59

0

Answer:

400-49=351 is correct answer

Step-by-step explanation:

make brainlist answer and thanks

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