Question

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

i. 201a³b² 

ii. 91xyt² 

iii. 24a²b² 

iv. tr²s³

Answer 1

i. 201 a³b²

= 3 × 67 × a³ × b²

= 3 × 67 × a × a × a × b × b

ii. 91 xyt²

= 7 × 13 × x × y × t² 

= 7 × 13 × x × y × t × t

iii. 24 a²b² 

= 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