mathematics

Parin Sir > mathematics

Jul

☼ PAIRS OF ANGLES :

■ Adjacent angles : Consider two angles BAC and CAD with the same vertex A and the arm AC common to them. Two such angles with the same vertex, one arm common are called adjacent …

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Jul

KINDS OF ANGLES

☼ KINDS OF ANGLES :

■ Acute angle : An angle which is greater than a zero angle but less than a right angle is called an acute angle.

An angle is generally denoted by

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Jul

ANGLES

☼ ANGLES : The union of two rays having the same initial point and not lying in one line is called an angle.

Consider two rays $\overrightarrow{OA}$

Posted in: ANGLES ,

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Jul

Lines and angles

☼ Undefined Terms : In geometry there are four undefined terms, namely a point, a line, a plane and a space.

But there is a certain relation in above four words given as below :

Point

Posted in: Lines and angles,

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Jul

Index of Rational Expression

1. Degree and Coefficient

2. Rational Expression

Posted in: Index of Rational Expression,

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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)

Posted in: Rational Expression,

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