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The roots of the quadratic function y = ā 1 / 2 ā x 2 − 3x + ā 5 / 2 ā 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.
BLACK SQUARE BLACK ... Crete, Greece, 20 June – 4 July 1997: L2/98-005R: N1682: Text of ISO 10646 - AMD 22 for PDAM registration and PDAM ballot, 1997-12-17 ...
Block Elements is a Unicode block containing square block symbols of various fill and shading. Used along with block elements are box-drawing characters, shade characters, and terminal graphic characters. These can be used for filling regions of the screen and portraying drop shadows.
š š š š š š š š š š š š š š U+1D7Ex š š” š¢ š£ š¤ š„ š¦ š§ šØ š© šŖ š« š¬ š š® šÆ U+1D7Fx š° š± š² š³ š“ šµ š¶ š· šø š¹ šŗ š» š¼ š½ š¾ šæ Notes 1. ^ As of Unicode version 16.0 2. ^ Grey areas indicate non-assigned code points
Here they are arranged in alphabetical order for comparison (or for copy and paste convenience). Since these characters appear in different Unicode ranges, they may not appear to be the same size or position due to font substitution in the browser.
Corner quotes, also called “Quine quotes”; for quasi-quotation, i.e. quoting specific context of unspecified (“variable”) expressions; [3] also used for denoting Gödel number; [4] for example “āGā” denotes the Gödel number of G. (Typographical note: although the quotes appears as a “pair” in unicode (231C and 231D), they ...
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The two square roots of a negative number are both imaginary numbers, and the square root symbol refers to the principal square root, the one with a positive imaginary part. For the definition of the principal square root of other complex numbers, see Square root § Principal square root of a complex number.