if a,b,c are in AP and a+b+c= 25 .a^2 + b^2 + c^2 =525. Then what will be the value of a , b and c ?
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As a good rational approximation for the square root of two, with a reasonably small denominator, the fraction 99/70 (≈ 1.4142857) is sometimes used.
The sequence A002193 in the OEIS consists of the digits in the decimal expansion of the square root of 2, here truncated to 65 decimal places:
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