Math, asked by sathivalamkulam, 5 hours ago

Find the sum of first 20 term of the arithmetic sequence 3,13,23

Answers

Answered by Sonam200583
1

Answer:

20 term is 4 and 50 is answer please mark me as brainlist

Answered by sajithahakshaya
2

Answer:

We will use the formula

s

n

=

n

2

(

2

a

+

(

n

1

)

d

)

s

20

=

20

2

(

2

(

3

)

+

(

20

1

)

5

)

s

20

=

10

(

6

+

95

)

s

20

=

10

(

101

s

20

=

1010

Hopefully this helps!

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