Question

factorise the above question.. ​

Answer 1

Answer:

a⁴ + b⁴ - 7a²b² =  (a + b) (a - b)              

Step-by-step explanation:

a² + b² - 2ab   (2nd identity)

a⁴ + b⁴ - 7a²b² = (a²)² + (b²)² - 7a²b² = a² - b²

a² - b² = (a + b) (a - b)   (3rd identity)

a⁴ + b⁴ - 7a²b² =  (a + b) (a - b)  

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Answer 2

|| ✰✰ ANSWER ✰✰ ||

✧✧ Please refer both the Photo ✧✧

✪✪ Hence Answered ✪✪

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