Algebra-1

To factorize the expression 81x⁴ - 256y⁴, we can recognize it as a difference of squares.

We know that 81x⁴ can be written as (9x²)² and 256y⁴ can be written as (16y²)².

The expression 81x⁴ - 256y⁴ can be rewritten as (9x²)² - (16y²)².

Now we can use the difference of squares formula, which states that a² - b² = (a + b)(a - b).

Applying this formula, we have: (9x²)² - (16y²)² = (9x² + 16y²)(9x² - 16y²) =

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