Rational Expression

Parin Sir > Quantitative Aptitude (Maths) > Rational Expression

Jul

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Jul

Examples

(1) What should be added to 3x² – 5x + 9 to get x² – 2x – 3 ?

Soln. Let, 3x² – 5x + 9 + p(x) = x² – 2x – 3

$\therefore$

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Jul

Results on Rational Expressions

☼ Results on Rational Expressions :

(i) Sum ( or difference or product ) of two rational expressions is a rational expression.

(ii) Rational expressions satisfies commutative, associative and distributive laws.

(iii) 0 …

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Jul

Rational Expression

☼ Rational Expression : An expression of the form $\frac{p(x)}{q(x)}$ , where p(x) and q(x) are a polynomials and q(x)

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Jul

Rational Expression

☼ Degree and Coefficient : The highest index of the given polynomial is called the degree of the polynomial and the coefficient of highest index term is called the coefficient of the given polynomial.

e.g….

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