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Algebra Symbols. A comprehensive collection of 225+ symbols used in algebra, categorized by subject and type into tables along with each symbol's name, usage and example. lgebra is a subfield of mathematics pertaining to the manipulation of symbols and their governing rules. The following is a compilation of symbols from the different branches ...
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B = {1,2,3}, A ∆ B = {1,2,9,14} A ⊖ B: symmetric difference: objects that belong to A or B but not to their intersection: A = {3,9,14}, B = {1,2,3}, A ⊖ B = {1,2,9,14} a∈A: element of, belongs to: set membership: A={3,9,14}, 3 ∈ A: x∉A: not element of: no set membership: A={3,9,14}, 1 ∉ A (a,b) ordered pair: collection of 2 ...
2a + 4ab + 5a(b + c) There are three terms. 2a is the first term. It has two factors: 2 and a. 4ab is the second term. It has three factors: 4, a, and b. And 5a(b + c) is all one term. It also has three factors: 5, a, and (b + c). The parentheses mean that we should treat whatever is enclosed as one number. Powers and exponents
Glossary of mathematical symbols. A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various ...
2[ a−3(b+c) ] { } set symbols (curly brackets) {1,2,3} = equals: 1+1 = 2: ≈: approximately equal to: π ≈ 3.14: ≠: not equal to: π ≠ 2 < ≤: less than, less than or equal to: 2 < 3 > ≥: greater than, greater than or equal to: 5 > 1: ⇒: implies (if ... then) a and b are odd ⇒ a+b is even: ⇔ "if and only if" or iff or "is ...
SymbolMeaningExample+add3+7 = 10−subtract5−2 = 3×multiply4×3 = 12·multiply (as "×" can look like "x")4·3 = 12Algebraic Rules and Terms. The study of algebra becomes a little easier once you understand the basic rules. Here are some examples: a³ means a x a x a (but 3a means a + a + a). bd³ means b x d x d x d (you only cube the d). 3y² means 3 x y x y (you only square the y). (bd)³ means b x d x b x d x b x d. f means f ÷ c. c.
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a − b = a + (−b). Therefore, any rule for addition is also a rule for subtraction. Note: In Example 3, adding 2 is the inverse of subtracting 2. And the effect is to transpose −2 to the other side of the equation as +2. In Example 4, the effect of subtracting 2 from both sides is to transpose +2 to the other side of the equation as −2.
