a^4+b^4=(a^2)^2+(b^2)^2
=(a^2+b^2)^2–2a^2b^2
=(a^2+b^2)^2—(√ 2ab)^2
=(a^2+√ 2ab+b^2)(a^2-√ 2ab+b^2)
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Answer:
C
Step-by-step explanation:
it is defined for all real numbers.
1018262910101101 explanation:
Answer:
rational
Step-by-step explanation:
