(x+y)3−(x−y)3can be factorized as (a)2y(3x2+y2) (b)2x(3x2+y2) (c)2y(3y2+x2) (d)2x(x2+3y2) View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
因式分解{{x}^{4}}+{{y}^{4}}-3{{x}^{2}}{{y}^{2}}. 相关知识点: 试题来源: 解析 ({{x}^{2}}-{{y}^{2}}-xy)({{x}^{2}}-{{y}^{2}}+xy). {{x}^{4}}+{{y}^{4}}-3{{x}^{2}}{{y}^{2}}={{({{x}^{2}}-{{y}^{2}})}^{2}}-{{...
(2) (x+1)4+(x+3)4−272 (3) (xy−1)2+(x+y−2)(x+y−2xy) 相关知识点: 试题来源: 解析 (1) To make the calculation easier, one can let a=x−2+x−42=x−3, then O.E.=(a+1)3+(a−1)3+8a2=(a3+3a2+3a+1)+(a3−3a2+3a−1)+8a2=2a3+6a+8a2=2a...
【题目】Factorize:(1) x^2-3xy-10y^2+x+9y-2(2) x^2+xy-6y^2+x+13y-6(3) x^2+2xy-8y^2+2xz+14yz-3z^2(4) 6x^2-5xy-6y^2+2x+23y-205) 2x^2-7xy-22y^2-5xz+35yz-3z^26) 6x^2-7xy-3y^2-xz+7yz-2z^2 答案 (z-i-f+x)(z+(f_g)-x_i) (9)(z+fz-x...
(2) x4−x2y2+16y4 (3) 18a2−a4−81 (4) x4+x3+94x2+x+1相关知识点: 试题来源: 解析 Shown in the analysis. (1) Original expression=x4+x2y2+14y4−x2y2=(x2+12y2)2−(xy)2=14(2x2+2xy+y2)(2x2−2xy+y2) (2) Original expression=x4+8x2y2+16y4−9...
百度试题 结果1 题目【题目】Factorize:(1) x^4+2x^3+3x^2+2x+1(2) x^4+7x^3+14x^2+7x+1(3) x^4+y^4+(x+y)^4 相关知识点: 试题来源: 解析 【解析】Showminan[sina] 反馈 收藏
百度试题 结果1 题目【题目】Factorize:() x^4+1/4y^42) x^4-x^2y^2+16y^4(3) 18a^2-a^4-814 x^4+x^3+9/4x^2+x+1 相关知识点: 试题来源: 解析 【解析】Showminan[sina] 反馈 收藏
Factorize: x^2+8x+16 (ii) 4a^2-4a+1 01:55 Factorize: 4x^2+12 x y+9y^2 (ii) x^4-10 x^2y^2+25 y^4 a^4-2a^2b^... 03:41 Factorize: 4x^2-4x y+y^2-9z^2 (ii) 16-x^2-2x y-y^2 02:56 Factorize: (a^4-8a^2b^2+16 b^4)-256 (ii)a^4-6a^2b^2+9b^4-81...
题目4. Factorize 2x2- 18 of the form a2- b2. 相关知识点: 试题来源: 解析 http://gallery.fbcontent.cn/latex?decode=false&latex=%24%242%EF%BC%88x%2B3%EF%BC%89%EF%BC%88x-3%EF%BC%89%24%24%25&fontSize=30 反馈 收藏
【解析】(1) To make the calculation easier, one can leta=(x-2+x-4)/2=x-3,t henO. E.=(a+1)^3+(a-1)^3+8a^2=(a^3+3a^2+3a+1)+(a^3-3a^2+3a-1)+8a^2 = 2a^3+6a+8a^2=2a(a^2+4a+3) =2a(a+1)(a+3)S_Δbstitutea=x-3backtoget O.E.=2x(x-3)(x -2...