CBSE Class 9 Answered
Factorise:
x6 - 729.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
x6 - 729
= (x2)3 - (9)3
[(x2) - (9)] [(x2)2 + (x2) (9) + (9)2]
= (x2 - 9) (x4 + 9x2 + 81)
= (x - 3)(x + 3) (x4 + 9x2 + 81)
Answered by | 04 Jun, 2014, 03:23: PM
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