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Mathematics Notes for 9th Class Exercise 4 Rev

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Mathematics Notes for 9th Class Exercise 4 Rev

“Math” a compulsory subject for 9th class Science students. and Mathematics Notes for 9th Class Exercise 4 Rev or Math Notes Class 9 English Medium (Science Group) included in this book. Lets take a visit on English Medium also Urdu Medium version and enjoy your study also share with your friends for the easiness of other classmates and colleagues.

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Math Ch#4, 09th Class

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1 / 15

$(3 + \sqrt{2}) (3 - \sqrt{2})$ is equal to __________

-7

-1

2 / 15

$a^{3} + b^{3}$ is equal to ____________

(a - b)(a² + ab + b²)

(a - b)(a² - ab + b²)

(a + b)(a² - ab + b²)

(a - b)(a² + ab - b²)

3 / 15

The Degree of polynomial $x^{2}y^{2} + 3 x y +y^{3}$ is _________

4 / 15

$x^{3}+\frac{1}{x^{3}} = \left ( x+\frac{1}{x} \right )$ (_____________)

$x^{2}-1+\frac{1}{x^{2}}$
$x^{2}+1+\frac{1}{x^{2}}$
$x^{2}-1-\frac{1}{x^{2}}$
$x^{2}+1-\frac{1}{x^{2}}$

(Select Correct Option)

Option-4

Option-2

Option-3

Option-1

5 / 15

x²-4 = ___________

(x - 2)(x - 2)

None of these

(x + 2) (x + 2)

(x + 2)(x - 2)

6 / 15

$\frac{1}{a-b}-\frac{1}{a+b}$ is equal to ______

$\frac{2a}{a^{2}-b^{2}}$
$\frac{2b}{a^{2}-b^{2}}$
$\frac{-2a}{a^{2}-b^{2}}$
$\frac{-2b}{a^{2}-b^{2}}$

(Select Correct Option)

Option-1

Option-3

Option-4

Option-2

7 / 15

$2 (a^{2}+b^{2}) = (a+b)^{2} + (.............)^{^{2}}$

a-b

a / b

None of these

a+b

8 / 15

"4x +3y -2" is an algebraic _____________

Sentence

Equation

ineqation

Expression

9 / 15

Conjugate of surd $a + \sqrt{b}$ is _________

$-a + \sqrt{b}$
$a - \sqrt{b}$
$\sqrt{a} + \sqrt{b}$
$\sqrt{a} - \sqrt{b}$

(Select Correct Option)

Option-4

Option-1

Option-2

Option-3

10 / 15

$(\sqrt{a}+\sqrt{b}) (\sqrt{a}-\sqrt{b})$ is equal to __________

$a^{2}+b^{2}$
$a^{2}-b^{2}$

(Select Correct Option)

Option-1

Option-4

Option-2

Option-3

11 / 15

Order of Surd $\sqrt[3]{x}$ is ________

12 / 15

$(x+\frac{1}{x})^{2} = ................$

$x^{2}+\frac{1}{x^{2}}+2$
$x^{2}-\frac{1}{x^{2}}+2$
$x^{2}+\frac{1}{x^{2}}-2$

(Select Correct Option)

Option-3

Option-1

Option-2

13 / 15

$\frac{a^{^{2}}-b^{2}}{a+b}$ is equal to __________

( a - b )²

( a + b )²

( a - b )

( a + b )

14 / 15

The degree of polynomial $4x^{4}+ 2x^{2}y$ is ___________

15 / 15

$\frac{1}{2-\sqrt{3}} = ...............$

$2 - \sqrt{3}$
$2 + \sqrt{3}$
$-2 - \sqrt{3}$
$-2 + \sqrt{3}$

(Select Correct Option)

Option-3

Option-1

Option-2

Option-4

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Math Solution 9th Class (Science Group)

Chapter 01 - MATRICES AND DETERMINANTS

Exercise 1.1 (English) (Urdu)

Exercise 1.2 (English) (Urdu)

Exercise 1.3 (English) (Urdu)

Exercise 1.4 (English) (Urdu)

Exercise 1.5 (English) (Urdu)

Exercise 1.6 (English) (Urdu)

Exercise 1-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 02 - REAL AND COMPLEX NUMBERS

Exercise 2.1 (English) (Urdu)

Exercise 2.2 (English) (Urdu)

Exercise 2.3 (English) (Urdu)

Exercise 2.4 (English) (Urdu)

Exercise 2.5 (English) (Urdu)

Exercise 2.6 (English) (Urdu)

Exercise 2-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 03 - LOGARITHMS

Exercise 3.1 (English) (Urdu)

Exercise 3.2 (English) (Urdu)

Exercise 3.3 (English) (Urdu)

Exercise 3.4 (English) (Urdu)

Exercise 3-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 04 - ALGEBRIC EXPRESSIONS & ALGEBRIC FORMULAS

Exercise 4.1 (English) (Urdu)

Exercise 4.2 (English) (Urdu)

Exercise 4.3 (English) (Urdu)

Exercise 4.4 (English) (Urdu)

Exercise 4-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 05 - FACTORIZATION

Exercise 5.1 (English) (Urdu)

Exercise 5.2 (English) (Urdu)

Exercise 5.3 (English) (Urdu)

Exercise 5.4 (English) (Urdu)

Exercise 5-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 06 - ALGEBRAIC MANIPULATION

Exercise 6.1 (English) (Urdu)

Exercise 6.2 (English) (Urdu)

Exercise 6.3 (English) (Urdu)

Exercise 6-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 07 - LINEAR EQUATIONS AND INEQUALITIES

Exercise 7.1 (English) (Urdu)

Exercise 7.2 (English) (Urdu)

Exercise 7.3 (English) (Urdu)

Exercise 7-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 08 - LINEAR GRAPHS & THEIR APPLICATION

Exercise 8.1 (English) (Urdu)

Exercise 8.2 (English) (Urdu)

Exercise 8.3 (English) (Urdu)

Exercise 8-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 09 - INTRODUCTION TO COORDINATE GEOMETRY

Exercise 9.1 (English) (Urdu)

Exercise 9.2 (English) (Urdu)

Exercise 9.3 (English) (Urdu)

Exercise 9-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 10 - CONGRUENT TRIANGLES

Exercise 10.1 (English) (Urdu)

Exercise 10.2 (English) (Urdu)

Exercise 10.3 (English) (Urdu)

Exercise 10.4 (English) (Urdu)

Exercise 10-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 11 - PARALLELOGRAMS AND TRIANGLES

Exercise 11.1 (English) (Urdu)

Exercise 11.2 (English) (Urdu)

Exercise 11.3 (English) (Urdu)

Exercise 11.4 (English) (Urdu)

Exercise 11.5 (English) (Urdu)

Exercise 11-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 12 - LINE BISECTORS AND ANGLE BISECTORS

Exercise 12.1 (English) (Urdu)

Exercise 12.2 (English) (Urdu)

Exercise 12.3 (English) (Urdu)

Exercise 12-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 13 - SIDES AND ANGLES OF A TRIANGLE

Exercise 13.1 (English) (Urdu)

Exercise 13.2 (English) (Urdu)

Exercise 13-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 14 - RATIO AND PROPORTION

Exercise 14.1 (English) (Urdu)

Exercise 14.2 (English) (Urdu)

Exercise 14-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 15 - PYTHAGORAS’ THEOREM

Exercise 15 (English) (Urdu)

Exercise 15-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 16 - THEOREMS RELATED WITH AREA

Exercise 16.1 (English) (Urdu)

Exercise 16.2 (English) (Urdu)

Exercise 16-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Chapter 17 - PRACTICAL GEOMETRY -TRIANGLES

Exercise 17.1 (English) (Urdu)

Exercise 17.2 (English) (Urdu)

Exercise 17.3 (English) (Urdu)

Exercise 17.4 (English) (Urdu)

Exercise 17.5 (English) (Urdu)

Exercise 17-Rev (English) (Urdu)

Online Practice/ Test - MCQs & Short Questions

Math Past Papers

Math Text Books

9th Math Science Group (English Medium)

9th Math Science Group (Urdu Medium)

9th Math Arts Group (Urdu Medium)

Other Math Notes

10th Class Math Science Group (English Medium)

10th Class Math Science Group (Urdu Medium)

10th Math Past Papers (Science Group)

10th Math Past Papers (Arts Group)

9th Class Math Science Group (English Medium)

9th Class Math Science Group (Urdu Medium)

9th Class Math Arts Group (Urdu Medium)

9th Class Math Past Papers (Science Group)

9th Class Math Past Papers (Arts Group)

9th Class Math Solution:

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