Factorize a^4 + a^2b^2 + b^4?
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Answered by
10
a⁴ + a² b² + b⁴
= a⁴ + 2 a² b² + b⁴ - a² b²
= (a² + b²)² - (ab)²
= [ a² + b² + ab ] [ a² + b² - ab ]
= a⁴ + 2 a² b² + b⁴ - a² b²
= (a² + b²)² - (ab)²
= [ a² + b² + ab ] [ a² + b² - ab ]
Answered by
4
a^4 + a^2b^2+b^4 =(a^2+b^2)^2 + (ab)^2 = (a^2 + b^2+ab) (a^2+b^2-ab)
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