The roots of the equation (q-r)x^2+(r-p)x+p-q=0 are (A) (r-p)/(q-r),1 ... 00:37 If the roots of the equation p(q-r)x^2+q(r-p)x+r(p-q)=0 be equal, show... 08:57 If the roots of the equation (q-r)x^(2)+(r-p)x+p-q=0 are equal, then ... 05...
If the roots of the equation (b-c)x^2+(c-a)x+(a-b)=0 are equal, then prove that 2b=a+c . View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE pre...
Q. If the equations a2+b2x2-2ac+bdx+c2+d2=0 has equal roots, then (a) ab = cd (b) ad = bc (c) ad=bc (d) ab=cd Q. (i) If the roots of the equation a2+b2x2-2ac+bdx+c2+d2=0 are equal, prove that ab=cd. [CBSE 2017] (ii) If ad ≠ bc then ...
Thus, if the roots are at , , , and , then the factored form of this equation must be because plugging in any one of the four roots will equal zero. The only factor that appears in the answer choices is , so (C) is correct. ...
students are allowed to ride bicycles in school libraries. c. parents are offered devices to monitor childrens walking time. d. fruits are provided for those who are addicted to online games. questions 1 13、7 through 20 are based on the following passage. 17. a. neither of them can find...
He then ddressedthem in these words: "My sons, if you are of one mind, and unite to assist each other, you will be as this faggot, uninjured by all the attempts of your enemies; but if you are divided among yourselves, you will be broken as easily as these sticks." The Boy ...
If the equation in x, x^2+mx+n=0 , has two equal real roots, then a pair of real values ofm and n that satisfies the condition could be m =and n = 相关知识点: 试题来源: 解析 2 1 (can be any values of m and n aslong as they satisfy m2= 4n) ...
History grounds us in our roots. History is an important and interesting field of study, and learning the history of our home country can give us a deeper, more meaningful glimpse(一瞥)into our ancestral pasts, and how we got towhere we are today. Many people feel like they need a sens...
harmony in diversity china has, since ancient times, been an exponent of harmony in diversity. we hope that different countries and different civilizations will engage in exchange on an equal basis, learn from each other, and achieve common ...
If p(x)=anxn+an−1xn−1+an−2xn−2+...+a2x2+a1x+a0 is a polynomial, then the derivatives of...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it ri...