结果1 题目 If the equation x^2-4|x|+6=ahas two distinct real roots , then the range of real number ωis___. (英汉小词典distinct: 不同的;roots: 根;range: 范围 ) 相关知识点: 试题来源: 解析 (y-2)^2=-2p(x+4) 反馈 收藏 ...
结果1 题目 12 Given that the equation in x, x^2-√(2k+4)x+k=0 , has two distinct real roots.(1) Find the set of values that k can take; (2) Simplify: -k-21+√(k^2-4k+4) . 相关知识点: 试题来源: 解析 优质解答 反馈 收藏 ...
⑤ Given that the quadratic equation in one variable x,x8-τ-m =0,has two distinct real roots,the set of values that m can take is__相关知识点: 试题来源: 解析 优质解答反馈 收藏
题目 4Equation x2-mx-1=0 has ()(A)two distinct real roots(B)two equal real roots(C)no real roots(D)at least one real root4 Equation x2-mx-1=0 has( ). (A)two distinct real roots (B)two equal real roots (C)no real roots (D)at least one real root 答案 4-|||-A优质...
百度试题 结果1 题目题目 20 Equation x2-mx-1=0 has( ). (A)two distinct real roots (B)two equal real roots (C)no real roots (D)at least one real root相关知识点: 试题来源: 解析 优质解答反馈 收藏
【题目】5 EquatiOnx^2+2x-3=0haS ().(A)no real roots(B)two distinct real roots(C)two equal
5Equation x2+2x-3=0 has ()(A)no real roots(B)two distinct real roots(C)two equal real roots(D)not sure5 Equation α"+2x-3=0 has( ). (A)no real roots (B) two distinct real roots (C)two equal real roots (D)not sure ...
百度试题 结果1 题目23. Given that the quadratic equa tionx^2-2(m-1)x+m(m+2)=0 has two distinct real roots, find the range of m. 相关知识点: 试题来源: 解析 2 3.m1/4 反馈 收藏
百度试题 结果1 题目5 E quationx^2+2x-3=0has(B).(A) no real roots(B)two distinct real roots(C) two equal real roots(D)not sure 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Between any two real roots of the equation exsinx−1=0 the equation excosx+1=0 has View Solution [Using Rolle's theorem show that between any two distinct real roots of equation ax3+bx2+cx+d=0, there is at least one root of equation 3ax2+2bx+c=0.] View Solution Which one ...