Question

Factorise the following: x4 + 8x²y² + 16y4​

Answer 1

Step-by-step explanation:

x⁴ + 8x²y² + 16y⁴

x⁴ + 4x²y² + 4x²y² + 16y⁴

x² ( x²+ 4y²) + 4y² (x² + 4y²)

Now, we'll take x² + 4y² common from both the sides

So,

The answer is : (x² + 4y²) (x² + y²)