Ответ:
a) (x^2-3)(x^2+3)
и) (a-b) (a+b) (a^2+b^2)
л)(а-2)(а+2)(а^2+4)
м)(3-b)(3+b)(9+b^2)
а) x⁴-9 = (x²)²-3²) = (x²- 3)(x²+ 3)
и) a⁴-b⁴ = (a²)²- (b²)² =(a²-b²)(a²+b²) = (a-b)(a+b) (a²+b²)
л) a⁴- 16 = (a²)²-4² = (a²- 4)(a²+ 4)=(a-2)(a+2)(a²+4)
м) 81 - b⁴ = 9²-(b²)²= (9-b²)(9+b²)=(3-b)(3+b)(9+b²)
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Answers & Comments
Ответ:
a) (x^2-3)(x^2+3)
и) (a-b) (a+b) (a^2+b^2)
л)(а-2)(а+2)(а^2+4)
м)(3-b)(3+b)(9+b^2)
Verified answer
Ответ:
а) x⁴-9 = (x²)²-3²) = (x²- 3)(x²+ 3)
и) a⁴-b⁴ = (a²)²- (b²)² =(a²-b²)(a²+b²) = (a-b)(a+b) (a²+b²)
л) a⁴- 16 = (a²)²-4² = (a²- 4)(a²+ 4)=(a-2)(a+2)(a²+4)
м) 81 - b⁴ = 9²-(b²)²= (9-b²)(9+b²)=(3-b)(3+b)(9+b²)