Chapter 6 Factorisation of Algebraic Expressions Set 6.3
Chapter 6 Factorisation of Algebraic Expressions Set 6.3 Question 1. Factorize Solution: i. y³ – 27 = y³ – (3)³ Here, a = y and b = 3 ∴ y³…
Chapter 6 Factorisation of Algebraic Expressions Set 6.2
Chapter 6 Factorisation of Algebraic Expressions Set 6.2 Question 1. Factorise: i. x³ + 64y³ ii. 125p³ + q³ iii. 125k³ + 27m³ iv. 2l³ + 432m³ v. 24a³ +…
Chapter 6 Factorisation of Algebraic Expressions 6.1
Chapter 6 Factorisation of Algebraic Expressions 6.1 Question 1. Factorize: i. x² + 9x + 18 ii. x² – 10x + 9 iii. y² + 24y + 144 iv. 5y²…
Chapter 5 Expansion Formulae Set 5.4
Chapter 5 Expansion Formulae Set 5.4 Question 1. Expand: i. (2p + q + 5)² ii. (m + 2n + 3r)² iii. (3x + 4y – 5p)² iv. (7m –…
Chapter 5 Expansion Formulae Set 5.3
Chapter 5 Expansion Formulae Set 5.3 Question 1. Expand: i. (2m – 5)³ ii. (4 – p)³ iii. (7x – 9y)³ iv. (58)³ v. (198)³ Solution: i. Here, a =…
Chapter 5 Expansion Formulae Set 5.2
Chapter 5 Expansion Formulae Set 5.2 Question 1. Expand: i. (k + 4)³ ii. (7x + 8y)³ iii. (7x + m)³ iv. (52)³ v. (101)³ Solution: i. Here, a =…
Chapter 5 Expansion Formulae Set 5.1
Chapter 5 Expansion Formulae Set 5.1 Question 1. Expand : i. (a + 2)(a – 1) ii. (m – 4)(m + 6) iii. (p + 8) (p – 3) iv.…
Chapter 4 Altitudes and Medians of a Triangle
Chapter 4 Altitudes and Medians of a Triangle Question 1. In ∆LMN, ___ is an altitude and __ is a median, (write the names of appropriate segments.) Solution: In ∆LMN,…
Chapter 3 Indices and Cube Root Set 3.3
Chapter 3 Indices and Cube Root Set 3.3 Question 1. Find the cube root of the following numbers. i. 8000 ii. 729 iii. 343 iv. -512 v. -2744 vi. 32768…
Chapter 3 Indices and Cube Root Set 3.2
Chapter 3 Indices and Cube Root Set 3.2 Question 1. Complete the following table. Solution: Question 2. Write the following numbers in the form of rational indices. i. Square root…