Factorise: (a^4-625)
Answers
Answered by
1
Step-by-step explanation:
a4 -625 is equal to a4=625
a 2= 25
a= 5
Answered by
3
Answer:
(a⁴-625)
(a⁴-5⁴)
= (a²)²-(5²)²
= (a²-5²)(a²+5²)
= (a²-25)(a²+25)
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