Question

Q. 5. The factors of a4 + b4 are :
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Answer 1

Answer:

Given, a 4−b 4

=(a 2) 2−(b 2 ) 2

=(a 2+b 2)(a 2−b 2 )(∵x 2 −y 2

=(x+y)(x−y))

=(a 2+b 2 )(a+b)(a−b)