Question

Find the sums given below

1) 34+32+30+.......+10
2)–5+(–8)+(–11)+......+(–230)

Solve it and answer it​

Answer 1

Answer:

there is a formula...

a+b+c+.......+n = n(n+2)/n-1

Answer 2

Answer:

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Step-by-step explanation:

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