Question

find the formula for the sum s of four consecutive odd numbers
hence find the value of s when the third odd number is -109
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Answer 1

Answer:

let's take first numbers as 2n +1 ,2n+3 ,2n+5,2n+7 and by adding them we get 8n+16 and if third number is-109 then we get 2n+5= -109 then 2n =-104 and n =-52 there fore required numbers are -113,-111,-109,-107

Answer 2

hello i am also in class 6th and also 11 year old