Question

factorise 256a⁴ - 1/256b⁴​

Answer 1

Answer:

(16a^2)^2-1/(16b^2)^2

(16a^2+1/16b^2)(16a^2-1/16b^2)

(16a^2+1/16b^2)(16a^2-16b^2)

(16a^2+1/16b^2)((4a)^2-1/(4b)^2)

(16a^2+1/16b^2)(4a+1/4b)(4a-1/4b)