Factorise: 54a2b2 - 6 - Mathematics

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Sum

factorise:  54a2b2 - 6 

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Solution

54a2b2 - 6 

= 6(9a2b2 - 1) = 6[(3ab)2 - (1)2

= 6 (3ab - 1)(3ab + 1)

Concept: Factorisation of Trinomials
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (F) | Q 6.2 | Page 163
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