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Factorise Apower4 - Bpower4 - Mathematics

Factorise a4 − b4

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Solution

a4 − b4 = (a2)2 − (b2)2

= (a2 − b2) (a2 + b2)

= (a − b) (a + b) (a2 + b2)

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APPEARS IN

NCERT Class 8 Maths Textbook
Chapter 14 Factorisation
Exercise 14.2 | Q 4.1 | Page 224
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