Question

a^4+b^4 = ? whats is the answer​

Answer 1

Answer:

a⁴+b⁴=(a²)² +(b²)²=(a²+b²)²—2a²b² = (a²—b²)²+2a²b² = (a²+b²)²/2 + (a²—b²)²/2

Another one

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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