Question

find the sum of the series 4 , -3 , -10 to 23 terms

Answer 1

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Answer 2

First find the values of all the terms by finding the pattern.

Answer 3

Then add them all up.

Answer 4

But how can i do

Answer 5

^ @confluxepic No way.

It is an arithmetic progression.
a = 4
d = -7
n = 23

S = n/2 * (2a + (n-1)d)

Answer 6

Oh. @AkashdeepDeb

Answer 7

It is 264.5

Answer 8

Right or wrong

Answer 9

23/2*(2*4+(23-1)-7)

Answer 10

I think it must be a negative number.

Answer 11

-1679