Question

foctorise x⁸-y⁸
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Answer 1

Answer:

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Step-by-step explanation:

x⁸ - y⁸ = (x⁴)² - (y⁴)² = (x⁴ + y⁴) ( x⁴ - y⁴) = (x⁴ + y⁴) [ (x²)² -( y²)² ] = (x⁴ + y⁴) [ (x² + y² ) ( x² - y²) ] = (x⁴ + y⁴) [ (x² +y² ) ( x+y) ( x-y) ].