答案 【解析】2;2相关推荐 1【题目】Solve the equation:1x2+3x+1x2+9x+18+1x2,=+15x+54=32x+18解方程:1x2+3x+1x2+9x+18+1x2+15x+54=,=32x+18 反馈 收藏
百度试题 结果1 题目Solve the equation1+z+z^2+z^3+z^4+z^5+z^6+z^7=0 相关知识点: 试题来源: 解析 e^( (π )4), , e^( (3π )4), -1, e^( (5π )4), -, e^( (7π )4) 反馈 收藏
百度试题 结果1 题目Solve the equation: 1/2(x + 4) = 6. A. x = 6 B. x = 8 C. x = 10 D. x = 12 相关知识点: 试题来源: 解析 B。去括号得 1/2x + 2 = 6,移项得 1/2x = 4,两边同时乘以 2,解得 x = 8。反馈 收藏 ...
结果一 题目 【题目】Solve the equation 解方程1(x-1)(x-2)+1(x-2)(x-3)+1(x-3)(x-4)+1(-4)(x-5)=13= 答案 【解析】-1或7相关推荐 1【题目】Solve the equation 解方程1(x-1)(x-2)+1(x-2)(x-3)+1(x-3)(x-4)+1(-4)(x-5)=13= ...
Solve the equation: √x+√x−√x−√x=32√xx+√x. 答案 x=2516;<法一> 因为 x⩾0,x+√x⩾0; 所以 √xx+√x=√x√x+√x;所以原方程化为 √x+√x−√x−√x=32⋅√x√x+√x;去分母, 得 2(x+√x)−2√x2−x=3√x,2x−√x−2√x2−x=0;因为 x⩾0,...
Solve the equations : (1)/(a-b){a^(2)(x-b)-b^(2)(x-a)}=x^(2) 03:25 Solve the equations : (x-3)/(x+3)-(x+3)/(x-3)+6(6)/(7)=0 03:30 Solve the equation abs(x-abs(4-x))-2x=4 03:53 Solve the equations : (x-3)/(x+3)+(x+3)/(x-3)=(2(x+4))...
结果1 题目 Solve the equation (pmatrix) 1&3&-2 -3&1&1 -3&11&-4(pmatrix) (pmatrix) x y z(pmatrix) =(pmatrix) -2 6 k(pmatrix) in each of the two cases k=6, giving x, y and z in terms of a parameter λ if appropriate. In both cases interpret your solution ...
Solve the equation:x1×2−x2×3−x3×4−⋯−x2015×2016=1A.x=2010B.x=2018C.x=2015D.x=2016
百度试题 结果1 题目Solve the equationt-1=3t+5. A. t=-3 B. t=-2 C. t=2 D. t=3 相关知识点: 试题来源: 解析 A 反馈 收藏
Begin by investigating the equation graphically, using the idea that a root of an equation f(x)=g(x) is the x-coordinate of a point of intersection of the graphs of y=f(x) and y=g(x). Fig shows four different ways of doing this, based on the equation as stated and the three ...