Difference between revisions of "2023 IOQM/Problem 13"

(Created page with "The ex-radii of a triangle are 10 1 2 , 12 and 14. If the sides of the triangle are the roots of the cubic x 3 − px2 + qx − r = 0 , where p, q, r are integers, find the in...")
 
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The ex-radii of a triangle are 10 1
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The ex-radii of a triangle are <math>10\frac{1}{2}</math>,<math>12</math> and <math>14</math>.
2
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If the sides of the triangle are the roots of the cubic <math>x^3 - px^2 + qx - r</math> , where <math>p</math>, <math>q</math>, <math>r</math> are integers, find the integer
, 12 and 14. If the sides of the triangle are the
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nearest to <math>\sqrt{p+q+r}</math>
roots of the cubic x
 
3 − px2 + qx r = 0 , where p, q, r are integers, find the integer
 
nearest to
 
p + q + r
 

Latest revision as of 03:03, 16 December 2024

The ex-radii of a triangle are $10\frac{1}{2}$,$12$ and $14$. If the sides of the triangle are the roots of the cubic $x^3 - px^2 + qx - r$ , where $p$, $q$, $r$ are integers, find the integer nearest to $\sqrt{p+q+r}$