Question

plz answer it correctly and gain 10 points




factorise the following
$9 {x}^{4} - 6 {x}^{2} {y}^{2} + {y}^{4}$
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Answer 1

Step-by-step explanation:

9x^4-6x^2 y^2 + y^4

(3x^2)^2 -2×x^2 × y^2 + (y^2)^2

(3x^2- y^2)^2

{(√3x+y) (√3x-y)}^2

(√3x+y)^2 × (√3x-y)^2