## Maharashtra State Board Class 7 Maths Solutions Chapter 14 Algebraic Formulae – Expansion of Squares Practice Set 52

Question 1.

Factorise the following expressions and write them in the product form.

i. 201a³b²

ii. 91xyt²

iii. 24a²b²

iv. tr²s³

i. 201a³b²

= 3 × 67 × a³ × b²

= 3 × 67 × a × a × a × b × b

ii. 91xyt²

= 7 × 13 × x × y × t²

= 7 × 13 × x × y × t × t

iii. 24a²b²

= 2 × 2 × 2 × 3 × a² × b²

= 2 × 2 × 2 × 3 × a × a × b × b

iv. tr²s³

= t × r² × s³

= t × r × r × s × s × s