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Factorise: 54a2b2 - 6 - Mathematics

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Question

factorise:  54a2b2 - 6 

Sum

Solution

54a2b2 - 6 

= 6(9a2b2 - 1) = 6[(3ab)2 - (1)2] 

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

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Factorisation of Trinomials
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Q 6.2
Chapter 13: Factorisation - Exercise 13 (F) [Page 163]

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

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