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These factorizations work not only over the complex numbers, but also over any field, where either –1, 2 or –2 is a square. In a finite field , the product of two non-squares is a square; this implies that the polynomial x 4 + 1 , {\displaystyle x^{4}+1,} which is irreducible over the integers, is reducible modulo every prime number .
Animation depicting the process of completing the square. (Details, animated GIF version)In elementary algebra, completing the square is a technique for converting a quadratic polynomial of the form + + to the form + for some values of and . [1]
A graph of three branches of the algebraic function y, where y 3 − xy + 1 = 0, over the domain 3/2 2/3 < x < 50. Furthermore, even if one is ultimately interested in real algebraic functions, there may be no means to express the function in terms of addition, multiplication, division and taking nth roots without resorting to complex numbers ...
As another example, in radix 5, a string of digits such as 132 denotes the (decimal) number 1 × 5 2 + 3 × 5 1 + 2 × 5 0 = 42. This representation is unique. Let b be a positive integer greater than 1. Then every positive integer a can be expressed uniquely in the form
$14.88 at . The best place to stick your instant-read thermometer is in the thickest part of the turkey's thigh. Since it's one of the meatiest areas of the bird, it takes the longest to cook so ...
President-elect Donald Trump said he'd fire federal workers who won't return to the office and also challenge in court a Biden-era deal on the issue.
The two-hour broadcast pulled in 2.3 million viewers on Saturday night between 8 and 10 p.m. ET/PT. That includes 1.59 million viewers on NBC and an additional 700,000 who streamed it live on Peacock.
The roots of the quadratic function y = 1 / 2 x 2 − 3x + 5 / 2 are the places where the graph intersects the x-axis, the values x = 1 and x = 5. They can be found via the quadratic formula. In elementary algebra, the quadratic formula is a closed-form expression describing the solutions of a quadratic equation.