NCERT Solutions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities Ex 9.5 are part of NCERT Solutions for Class 8 Maths. Here we have given NCERT Solutions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities Ex 9.5.

- Algebraic Expressions and Identities Class 8 Ex 9.1
- Algebraic Expressions and Identities Class 8 Ex 9.2
- Algebraic Expressions and Identities Class 8 Ex 9.3
- Algebraic Expressions and Identities Class 8 Ex 9.4

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 8 |

Subject |
Maths |

Chapter |
Chapter 9 |

Chapter Name |
Algebraic Expressions and Identities |

Exercise |
Ex 9.5 |

Number of Questions Solved |
8 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities Ex 9.5

**Question 1.**

**Use a suitable identity to get each of the following products:**

**Solution.**

**Question 2.**

**Use the identity \((x+a)(x+b)={ x }^{ 2 }+(a+b)x+ab\) to find the following products:**

**(i)** (x + 3) (x + 7)

**(ii)** (4x + 5) (4x + 1)

**(iii)** (4x – 5) (4x – 1)

**(iv)** (4x + 5) (4x – 1)

**(v)** (2x + 5y) (2x + 3y)

**(vi)** \((2{ a }^{ 2 }+9)(2{ a }^{ 2 }+5)\)

**(vii)** (xyz – 4) (xyz – 2).

**Solution.**

**Question 3.**

**Find the following squares by using the identities.**

**Solution.**

**Question 4.**

**Simplify:**

**Solution.**

**Question 5.**

**Show that:**

**Solution.**

**Question 6.**

**Using identities, evaluate:**

**Solution.**

**Question 7.**

**Using \({ a }^{ 2 }-{ b }^{ 2 }=(a+b)(a-b)\), find**

**Solution.**

**Question 8.**

**Using \((x+a)(x+b)={ x }^{ 2 }+(a+b)x+ab\), find**

**(i)** 103 x 104

**(ii)** 5.1 x 5.2

**(iii)** 103 x 98

**(iv)** 9.7 x 9.8

**Solution.**

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