Question

factorise the following algebraic expressions: x4/16 - y4/81​

Answer 1

Step-by-step explanation:

first you can solve that 4/16-4/81 then algebra word...

Answer 2

Answer:

(x2/4+y2/9)(x/2+y/3)(x/2-y/3)

Step-by-step explanation:

STEP 1

a2-b2=(a+b)(a-b)

STET 2

(x2/4)2-(y2/9)2