NDA 2023 Mathematics question

and are distinct real roots of the quadratic equation . Which of the following statements is/are sufficient to find ? 1. , 2. , Select the correct answer using the code given below :

(A)1 only
(B)2 onlyCorrect
(C)Both 1 and 2
(D)Neither 1 nor 2

Answer: (B)

Solution

1: gives , so or ; the value of is not fixed, so statement 1 is not sufficient. 2: means

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-029554