Question

y^4 - 81. solve this QUESTION
FACTORISE IT​

Answer 1

Answer:

y⁴-81

(y²-9²)

(y²+9)(y²-9)

(y²+9)(y²-3²)

(y²+9)(y+3)(y-3)

Answer 2

(

y

2

+

9

)

(

y

+

3

)

(

y

−

3

)

plz make my answer brilliant if my answer is correct