Factorise each of the following: 3a⁵ – 48a³ using identites
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Answered by
4
Step-by-step explanation:
3a⁵-48a³
= 3a³(a²-16)
=3a³(a²-4²)
=3a³(a+4)(a-4)
Answered by
2
Step-by-step explanation:
3a⁵-48a³ = 0
3a(a⁴-16a²)=0
(3a)((a²)²-(4a)²) = 0
here, idy - a²-b² = (a+b)(a-b)
(3a)(a²+4a)(a²-4a) = 0..
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