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Sum of the square of the two consecative natural number is 20 |
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Answer» (X+X+1)² = 20 (2X + 1)² = 20 4X² + 1 + 4X = 20 4X² + 4X = 19 4(X² + X) = 19 X² + X = 19/4 X² + X = 4.75 X(X+ 1) = 4.75 so, X = √(4.75/X) |
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