Question

cs
4. Factorise.
(i) a4 - 64
(ii) p4 - 81 (iii) X-(y + z)*
(iv) x4 - (x - 2) (v) a4 - 2a-b2 + 64
​

Answer 1

Answer:

(a+4)(a-4)

(p+3)(p-3)

Step-by-step explanation:

!) a⁴ - 64

a⁴ - 4⁴

(a+4)(a-4)

!!) p⁴ - 81

p⁴ - 3⁴

(p+3)(p-3)

Rest of the question can't be factorise anymore...