### 10th STD MATH “ALGEBRA” IMPORTANT FORMULAS ONLINE FREE DOWNLOAD

__ALGEBRA IMPORTANT FORMULAS__

1. The basic relationship between zeros and coefficients of a quadratic polynomial a

x^{2}+ bx + c = 0 are,

*2. *Division algorithm :

*3. *Factorization using synthetic division :

4. The product of **LCM** and **GCD** of any two polynomials is equal to the product of the

two polynomials.

*5. *Multiplication and division of rational expressions

*6. *Addition and subtraction of rational expressions

7. Let a∈R be a non negative real number. A square root of a, is a real number b such

that b^{2 }= a. The square root of a is denoted by

8. A quadratic equation in the variable x is of the form ax^{2} + bx^{2 }+ c = 0 , where a,b,c are real numbers and a <> 0.

9. A quadratic equation can be solved by (i) the method of factorization (ii) the method

of completing square (iii) using a quadratic formula.

10. The roots of a quadratic equation ax^{2} + bx + c = 0 are given by

provided b^{2-} 4ac >= 0

11. A quadratic equation ax^{2} + bx + c = 0 has

(i) two distinct real roots if b^{2-} 4ac > 0

(ii) two equal roots if b^{2-} 4ac = 0

(iii) no real roots if b^{2-} 4ac < 0.

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SAMACHEER KALVI 10th STD Math Chapter “ALGEBRA” formula’s in doc format from below link…

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