разложить на множители:
-1/16 x^4+81
варианты ответов:
1) (9-1/2x)(9+1/4x^2)
2) (3-1/2x)(3+1/2x)(9-1/4x^2)
3) (3-1/2x)(3+1/2x)(9+1/4x^2)
4) (3-1/2x)(3-1/2x)(9+1/4x^2)
5) (3+1/2x)(3+1/2x)(9+1/4x^2)
-1/16 x^4+81
варианты ответов:
1) (9-1/2x)(9+1/4x^2)
2) (3-1/2x)(3+1/2x)(9-1/4x^2)
3) (3-1/2x)(3+1/2x)(9+1/4x^2)
4) (3-1/2x)(3-1/2x)(9+1/4x^2)
5) (3+1/2x)(3+1/2x)(9+1/4x^2)
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