Consider the following statements in respect of a vector c = a + b , where | a |=| b | 0 : 1. c is perpendicular to ( a - b ). 2. c is perpendicular to ( a b ). Which of the above statements is/are correct?

NDA 2021 Mathematics question

Consider the following statements in respect of a vector , where : 1. is perpendicular to . 2. is perpendicular to . Which of the above statements is/are correct?

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

Answer: (C)

Solution

Statement 1: because . So ; statement 1 is correct. Statement 2: is

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-033563