NDA 2026 Mathematics question

MathematicsThree Dimensional GeometryNDA 2026

A line makes angles , and with the positive directions of -axis, -axis and -axis respectively such that . Which of the following statements is/are correct? I. The maximum value of is . II. The minimum value of is 1. Select the answer using the code given below.

Answer: (C)

Solution

Since , , and gives , so . Also with means . Then $α+β = α+α =

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Question ID VK-030433