CBSEEXAMINATION PAPER 2018MATHEMATICS(With Solutions)CLASS X(This Paper is Modified According to the Latest CBSE QuesTime Aloweds 3 HoursGeneral Instructions :Mcximum Marks 8All questions are compulsoryhis question paper consists of 30 questions divided into four seseions A, B. C and D.ct(ii) Section 4 contains 6 questions of I mark each. Section B contains 6 questeach, Section C contains 10 questions of 3 marks each and Section D cocontains 8 quest4 marks eachiv) There is no overall choice. However, an internal choice has been provided in3 marks each and three questions of 4 marks each. You have to attemptalternatives in all such questions) Use of caleulators is not permittedSection âA'Question numbers I to 6 carry I mark each1. If.r = 3 is one root of the quadratic equation x2-2kx-6 = 0, then findSolution. The given equation is x -2kx 6 0.

CBSEEXAMINATION PAPER 2018MATHEMATICS(With Solutions)CLASS X(This Pape

1.	CBSEEXAMINATION PAPER 2018MATHEMATICS(With Solutions)CLASS X(This Paper is Modified According to the Latest CBSE QuesTime Aloweds 3 HoursGeneral Instructions :Mcximum Marks 8All questions are compulsoryhis question paper consists of 30 questions divided into four seseions A, B. C and D.ct(ii) Section 4 contains 6 questions of I mark each. Section B contains 6 questeach, Section C contains 10 questions of 3 marks each and Section D cocontains 8 quest4 marks eachiv) There is no overall choice. However, an internal choice has been provided in3 marks each and three questions of 4 marks each. You have to attemptalternatives in all such questions) Use of caleulators is not permittedSection âA'Question numbers I to 6 carry I mark each1. If.r = 3 is one root of the quadratic equation x2-2kx-6 = 0, then findSolution. The given equation is x -2kx 6 0.
Answer» If x= 3 is the root thenafter putting x= 39-6k-6= 03= 6kk= 1/2please like the solution 👍 ✔️