Math, asked by muhammedadaan123, 18 hours ago

SEE THE ARITHEMATIC SEQUENCE 1,3,5,7 CALCULATE THE SUM OF THE FIRST 20 TERMS

Answers

Answered by aulakhsukhdeep728

0

Answer:

Add in brainliest answer is 400

Answered by Parththebestanswerer

0

Answer:

400

Step-by-step explanation:

a = 1

d = 2

n = 20

Sum = n ( 2a + ( n - 1 )d ) / 2 = 20 ( 2(1) + 19(2) ) / 2 = 10 ( 2 + 38 ) = 10 ( 40 ) = 400

pls mark brainliest

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