Question

divide by factorisation-
${a}^{8} - {b}^{8} by \: {a}^{2} - {b}^{2}$
​

Answer 1

Answer:

(a⁴ + b⁴) ( a² + b²)

Step-by-step explanation:

a⁸ - b⁸ / a² - b²

= (a⁴)² - (b⁴)² / a² - b²    

= (a⁴ + b⁴)(a⁴ - b⁴)/a² - b²

= (a⁴ + b⁴)((a²)² - (b²)²) / a² - b²

= (a⁴ + b⁴) ( a² + b²)(a² - b²) / a² - b²

= (a⁴ + b⁴) ( a² + b²)

Answer 2

Step-by-step explanation:

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