Factorise A4 − 2asquare2bsquare2 + B4 - Mathematics

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Factorise a4 − 2a2b2 + b4

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Solution

a4 − 2a2b2 + b4 = (a2)2 − 2 (a2) (b2) + (b2)2

= (a− b2)2

= [(a − b) (a + b)]2

= (a − b)2 (a + b)2

Concept: Factorisation Using Identities
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APPEARS IN

NCERT Class 8 Maths Textbook
Chapter 14 Factorisation
Exercise 14.2 | Q 4.5 | Page 224
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