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The sum of three consecutive integers …

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The sum of three consecutive integers is 72.what is the sum of squares of the first number and the last number?

    • Posted by Paras Wadhawan 6 years, 9 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Himank Sharma 6 years, 9 months ago

    Let three consecutive no. are n,n+1,n+2. Sum of three no. Is = n+n+1+n+2=72 3n=69 n=23 A.T.Q. Square of 1 st and last no let k So , n^2 +(n+2)^2 =k. (n=23) (23)^2+(23+2)^2 =k 529+625=k 1154=k

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