Divide 19 into two equal parts such that sum of thier squares is 193 ?
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Answer:
Heya!!
Explanation:
Let the first part be x
the second part will be 19-x
x² + (19-x)² = 193
x² + 361 + x² - 38x = 193
2x² - 38x + 168 = 0
factorising it, we get
2x² - 14x - 24x +168 = 0
2x(x- 7) - 24 (x - 7) = 0
(2x - 24) (x - 7) = 0
x = 12 and x = 7
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