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With modern computers and programs, deciding whether a polynomial is solvable by radicals can be done for polynomials of degree greater than 100. [6] Computing the solutions in radicals of solvable polynomials requires huge computations. Even for the degree five, the expression of the solutions is so huge that it has no practical interest.
Marden's theorem states their location within this triangle more precisely: Suppose the zeroes z 1, z 2, and z 3 of a third-degree polynomial p(z) are non-collinear. There is a unique ellipse inscribed in the triangle with vertices z 1, z 2, z 3 and tangent to the sides at their midpoints: the Steiner inellipse.
For polynomials in two or more variables, the degree of a term is the sum of the exponents of the variables in the term; the degree (sometimes called the total degree) of the polynomial is again the maximum of the degrees of all terms in the polynomial. For example, the polynomial x 2 y 2 + 3x 3 + 4y has degree 4, the same degree as the term x ...
A function f : A n → A 1 is said to be polynomial (or regular) if it can be written as a polynomial, that is, if there is a polynomial p in k[x 1,...,x n] such that f(M) = p(t 1,...,t n) for every point M with coordinates (t 1,...,t n) in A n. The property of a function to be polynomial (or regular) does not depend on the choice of a ...
The polynomial 3x 2 − 5x + 4 is written in descending powers of x. The first term has coefficient 3, indeterminate x, and exponent 2. In the second term, the coefficient is −5. The third term is a constant. Because the degree of a non-zero polynomial is the largest degree of any one term, this polynomial has degree two. [11]
The area of a triangle can be demonstrated, for example by means of the congruence of triangles, as half of the area of a parallelogram that has the same base length and height. A graphic derivation of the formula T = h 2 b {\displaystyle T={\frac {h}{2}}b} that avoids the usual procedure of doubling the area of the triangle and then halving it.
If three points D, E, F on the respective sides AB, BC, and CA of a reference triangle ABC are the vertices of an inscribed triangle, which thereby partitions the reference triangle into four triangles, then the area of the inscribed triangle is greater than the area of at least one of the other interior triangles, unless the vertices of the ...
Every integer greater than 2 that is not congruent to 2 mod 4 (in other words, every integer greater than 2 which is not of the form 4k + 2) is part of a primitive Pythagorean triple. (If the integer has the form 4 k , one may take n = 1 and m = 2 k in Euclid's formula; if the integer is 2 k + 1 , one may take n = k and m = k + 1 .)